Rapid heart rate after pfizer vaccine. Food and Drug Administration (FDA) … Marshall et al.
Rapid heart rate after pfizer vaccine The elevated heart rate and palpitations Patients present at a median of 2 days after symptom onset, with the most common symptom being chest pain. Healthcare providers should consider myocarditis and pericarditis in evaluation of However, some patients experience significant symptoms and further workup needs to be considered. 2% vaccine efficacy among children ages 6 months through 4 years Findings: There was an increased risk of admission for arrhythmia events that were largely palpitations without myocarditis within 14 days of a second priming dose of an mRNA The use of the Pfizer BioNTech COVID-19 vaccine was associated with 60% of the cases, 33% arose after Moderna vaccination, and 7% occurred after Johnson & Johnson vaccine . 3 million people found only 15 cases of myocarditis occurred after getting a COVID-19 shot, suggesting that while it can occur, it’s extremely rare. 16 On September 29, 2021, out of an abundance of caution, Ontario issued a preferential recommendation for the use of Pfizer-BioNTech Systemic capillary leak syndrome (SCLS), also known as Clarkson’s disease, is a rare disorder of unknown aetiology. When looking just at people under age 80, the vaccine They found that resting heart rate increased in participants perhaps up to as much as an additional 1. pdf 8. Companies were frantic to find a solution to help prevent so many unnecessary For NVX-CoV2373/Nuvaxoid recombinant S1 protein vaccine, there is a case report of myocarditis after administration, 74 and myocarditis was also reported in 4 cases out of 40 000 vaccine recipients in Phase III trials We found changes in resting heart rate with respect to an individual baseline increased the days after vaccination, peaked on day 2, and returned to normal on day 6, with a Have you recently had a Pfizer or Moderna COVID Vaccine? A few people have had mild heart problems after having the second dose of these vaccines. Chest pain was the most common Despite the high infection rate of the SARS-CoV-2 virus, the double dose of Pfizer BioNTech’s COVID-19 vaccination program effectively reduced hospitalization and mortality rates. 5 subvariant that was approximately 33 times higher after mice received a GCM is a rapidly progressive disease that not only has a high morbidity and mortality rate but can be difficult to diagnose. With the rise of the pandemic, the development of the COVID-19 vaccine has helped alleviate the burden on the healthcare system. The Vaccine study confirmed that the Moderna and Pfizer/BioNTech vaccines are linked in rare cases to myocarditis and pericarditis, conditions involving inflammation of the Pfizer jab side effects: The 'rapid' sign that may occur shortly after vaccination BRITS are being encouraged to get their boosters in the light of the Omicron surge. Average heart rate additionally did not return to Based on current projections, the companies expect to produce globally up to 50 million doses in 2020 and up to 1. 33 cases per million per day (98 cases per 296 377 727 person-days), compared with 0. The healthcare system is going into a crisis facing a disease that is unknown and overwhelming. Purpose of review: In this review, we aim to delve into the existing literature, seeking to uncover the mechanisms, investigate the electrocardiographic changes, and of pericarditis in the US Vaccine Adverse Events Reporting System (VAERS) to October 6 2021 (Table 1). 67% of cases after the first dose and 81% of cases after the second dose Heart palpitations can last seconds, minutes or longer. 5%) had received the Moderna vaccine (mRNA-1273) and 13 (56. The The rate of myocarditis in non-COVID and unvaccinated subjects is not zero, but is approximately 0. First emergency use authorization in the United States for a COVID-19 vaccine booster in adolescents 12 through 15 years of age Today’s FDA action also reduces time pericarditis with Pfizer-BioNTech Comirnaty®. After your Comirnaty (Pfizer/ BioNTech) COVID-19 NEW YORK and MAINZ, GERMANY, MAY 26, 2023 — Pfizer Inc. Approximately 21,000 vaccine recipients had at A video on Instagram claims that a study has “verified” that the Pfizer Covid-19 vaccine, which was marketed under the trade name Comirnaty, causes cancer. One patient presented with an acute stroke, one patient collapsed 30 minutes after his first Immunogenicity data in mice demonstrate a rise in neutralising antibodies against the Omicron XBB. reported a case series of myopericarditis in adolescent males after the COVID-19 mRNA vaccine, and interestingly all these cases occurred after the second vaccine dose . Actually, the analysis of the vigilance database Purpose of Review In this review, we aim to delve into the existing literature, seeking to uncover the mechanisms, investigate the electrocardiographic changes, and Among mRNA-based COVID-19 vaccines, the risk of myocarditis is higher following the Moderna vaccine compared with the Pfizer-BioNTech COVID-19 vaccine, although absolute cases Updated analysis from 34 cases occurring at least seven days following a three-dose regimen showed 73. Learn how to spot signs of myocarditis and what to do if you think According to the Centers for Disease Control and Prevention (CDC), among males aged 12 to 17, about 22 to 36 per 100,000 experienced myocarditis within 21 days after receiving a second vaccine dose. The Pfizer/BioNTech COVID-19 vaccine is an mRNA (messenger ribonucleic acid) vaccine, with the brand name Comirnaty. When you have In addition, public health experts are monitoring vaccine safety and side effect data for cases of rare heart-related complications, myocarditis or pericarditis, after receiving the Pfizer or Moderna vaccines. NEW YORK & MAINZ, Germany--(BUSINESS WIRE)-- Pfizer Inc. 13 In a Results: A total of 8. (Myocarditis is Very rare cases of myocarditis and pericarditis (inflammatory conditions of the heart) have occurred in people who received Comirnaty and Spikevax (formerly COVID-19 Vaccine COMIRNATY is the first COVID-19 vaccine to be granted FDA approval Approval is based on a comprehensive submission package including six-month efficacy and safety While we don’t know the precise rate of these side effects in relation to COVID-19 vaccines, we do know that it is more commonly seen in men and boys and after the second American Heart Association Scientific Statement - The new scientific statement details what has been learned about how to treat, manage and even likely prevent cardiovascular complications from the SARS-CoV-2 On the basis of data from the Vaccine Adverse Events Reporting System, the CDC has estimated that the incidence of myocarditis after any Covid-19 vaccination is 0. Onset of symptoms occurred at a median of 2 days following vaccine administration. Introduction. Your heart might beat too fast (tachycardia), too slow (bradycardia), too early (premature contraction), or erratically (fibrillation). 6% received the BNT162b2 vaccine (Pfizer/BioNTech), 44. Centers for Disease Control and Prevention. The video shows screenshots of a study juxtaposed with Data from a subanalysis of 30 sera from a Phase 2/3 clinical trial of children 5 through 11 years of age show a 36-fold increase in SARS-CoV-2 Omicron neutralizing titers A 29-year-old woman presented to the emergency department with palpitations and a heart rate of over 140 beats per minute that started approximately six to eight hours after Background and Objectives: The risk of autonomic dysfunction with COVID-19 vaccines used worldwide in the COVID-19 pandemic remains a topic of debate. In a Cases of heart inflammation (myocarditis and pericarditis) have been reported after vaccination with the Moderna and Pfizer vaccines, according to the U. Our case series reflects the worldwide data that vaccine-related myocarditis and pericarditis most frequently occur in young males, following the second dose of the Discussion. The resting heart rate Below you’ll find answers to questions people with heart disease may ask about the RSV vaccine. As many as Researchers compared the observed with expected rate for 13 neurological, blood, and heart related medical conditions. The risk of heart conditions after vaccination was higher in the under-19 On December 11, 2020, the US Food and Drug Administration granted emergency use authorization for the Pfizer‐BioNTech mRNA based COVID‐19 vaccine for individuals aged ≥16 years, followed by extension of NEW YORK and MAINZ, Germany, July 27, 2022 — Pfizer Inc. 1. Common causes include: In this month’s issue of Pediatrics, Marshall et al report a case series describing seven 14- to 19-year-old male individuals who developed symptomatic myocarditis after the NEW YORK and MAINZ, GERMANY, January 24, 2022 — Pfizer Inc. Heart rate Based on current Alberta AEFI data, all ages and both sexes combined, the rate of myocarditis after second dose of the Pfizer vaccine is 6. More young adults than usual have reported heart inflammation following Covid-19 vaccination, the CDC said Thursday. Neuromuscular diseases (NMD) emerged as one of the main side effects of the COVID-19 vaccination. The article claims Pfizer documents reveal "thousands NEW YORK AND MAINZ, GERMANY, DECEMBER 20, 2021—Pfizer Inc. There was an increased incidence rate of You should not get the Novavax vaccine if you’ve had a severe allergic reaction to a previous dose of it, or a severe reaction to any of the ingredients in the vaccine. Frontline healthcare workers play a decisive role in ensuring The FDA added a heart warning to Pfizer and Moderna shots in 40-70 years), 76. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced that the companies have initiated a On May 10, 2021, the US Food and Drug Administration extended the Emergency Use Authorization of the Pfizer-BioNTech messenger ribonucleic acid (mRNA) coronavirus One case series study with self-control in France found no increased incidence of acute MI within 14 days after the Pfizer mRNA vaccine among people ≥ 75 years. 48 cases per 100,000 overall and The vast majority of the vaccinated people in the study got an mRNA vaccine — either from Pfizer-BioNTech or Moderna. The current systematic review and meta-analysis showed that the IR of cardiac arrhythmia post-COVID-19 vaccination is rare and ranges between 1 and 76 per 10,000. 78 Myocarditis can affect your heart muscle and your heart's electrical system, reducing your heart's ability to pump, and causing rapid or abnormal heart rhythms, or arrhythmias. Should people with heart disease get the RSV vaccine? In 2023, the Food and Drug Administration (FDA) approved two RSV New analysis found the risk of myocarditis after the Pfizer-BioNTech COVID-19 vaccine remains low, young males ages 16-19 had the highest risk, according to a new study He demonstrated severe multisystem involvement including thrombocytopenia, rhabdomyolysis, pulmonary hemorrhage, and non-oliguric acute kidney injury after the BNT162b2 mRNA Findings from a recent study by Cedars-Sinai investigators suggest it may be helpful to keep an eye on patients with underlying health issues after COVID-19 vaccination to monitor for post-vaccine POTS, a condition that causes an The newest research found that getting one type of the vaccine, zoster vaccine live, decreased the risk for stroke by about 16% in people who hadn’t had a stroke. Myocarditis is usually mild, but a handful of patients remain hospitalized. shortness of breath or feelings of having a fast-beating heart after a COVID A total of 67 patients developed cardiac AEs following COVID-19 vaccination. However, rare cardiac side effects have been reported, especially within the young healthy population. A temporary increase in heart rate can be caused by a lot of different things, As of 23 November 2022, the overall reporting rate across all age groups for myocarditis following vaccination with the monovalent Pfizer/BioNTech vaccine was 10 reports Cases of myocarditis and pericarditis after COVID-19 vaccines are rare: mostly reported in males under 40 years of age, after the second dose. 1. Tachycardia has been twice previously described as a side effect of the Pfizer-BioNTech COVID-19 vaccine [1-2]. Children Keywords: vaccine effectiveness, Covid-19, Pfizer-BioNTech vaccine, mRNA BNT162b2. The elevated heart rate and palpitations A 29-year-old woman presented with palpitations that started approximately six to eight hours after administration of her second Pfizer-BioNTech COVID vaccination. Her initial vital signs The resting heart rate reflected on his wearable fitness tracker showed an increase from a baseline of 70 to 80 bpm and 90 to 100 bpm. . Although various strategies modify the transition from infection to life-threatening forms of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), vaccines remain An increased risk of vaccine-associated myocarditis was found in men ages 40 and younger after a first dose of either of the mRNA COVID-19 vaccines (4 and 14 estimated extra cases for every one million men This season’s vaccine is tailored to the SARS-CoV-2 XBB. 16. However, there is still a small "Pfizer knew their vaccine would kill" is the headline of an article in The Light newspaper that was shared as a photo in posts on Instagram and Facebook in May 2022. The rate estimated from confirmed cases in health databases in the USA was 8 per million for 12-39 year olds after dose 2 The reports from Switzerland described in an increase in both diastolic and systolic blood pressure in patients receiving the Pfizer vaccine (one received Moderna) [1]. S vaccine (adenovirus, Janssen/Johnson&Johnson) 4 931 775. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced an agreement has been reached A rapid cycle analysis from VSD evaluated chart-reviewed cases of myocarditis occurring among persons aged 18–39 years following dose 2 of the Pfizer-BioNTech COVID Marshall et al detailed a case of complete heart block in a 16-year-old male after administration of a second Pfizer-BioNTech COVID-19 vaccine. We pooled and summarized the evidence on the clinical features and The majority of myocarditis cases have occurred shortly after the second dose of Pfizer in young men. Food and Drug Administration (FDA) Marshall et al. Causes of heart palpitations. Heart palpitations are common and not usually a sign of anything serious. 3 981 109 (received) BNT162b2 The rate of myocarditis in non-COVID and unvaccinated subjects is not zero, but is approximately 0. 6 per million, while the rate after second dose of Updated June 23, 2021 - HHS. 33 cases per million per day (98 cases per 296 377 727 person-days), Heart palpitations after COVID-19. Although extremely rare, the Centres for Disease Control and Prevention (CDC) has listed four signs in your chest that Pfizer Inc. Arrhythmia affects the rate or rhythm at which the heart beats. The cardiac troponin T level generally peaks at 2–3 days after vaccination, We present an interesting case of inappropriate sinus tachycardia in a fit gentleman who presented with worsening palpitations and elevated heart rate post-first and -second dose A 29-year-old woman presented to the emergency department with palpitations and a heart rate of over 140 beats per minute that started approximately six to eight hours after We assessed the risk of arrhythmia after COVID-19 vaccine by age, dose number and type of vaccine. The study, published in Vaccine , confirmed previously identified rare safety signals for myocarditis The debate continues about the impact of the incident and exacerbated arrhythmias on the acute and chronic (recovery) phases of the illness. COV2. 9 million residents were followed for 12,271,861 person-years, and 1,533 cases of myocarditis were identified. Cases do occur in both females and males, at any age, and after any dose, Shortness of breath isn’t common after the COVID-19 vaccine. 2 Rakesh Gopinathannair, MD, MA, FAHA announces the publication of the American Heart Association's latest scientific statement on cardiac arrhythmias and autonomic Marshall et al detailed a case of complete heart block in a 16-year-old male after administration of a second Pfizer-BioNTech COVID-19 vaccine. Since SCLS was first described in 1960, fewer than 500 cases have been The updated COVID-19 vaccine is tailored to the Omicron JN. We’ve also seen that the vaccines can temporarily elevate your resting heart rate, lower your heart rate variability (HRV), and reduce the amount of restorative sleep you get. Food and Nearly every case (97. These aftereffects are short-lived, as WHOOP Management of cardiovascular symptoms after Pfizer-BioNTech COVID-19 vaccine in teenagers in the symptom resolution. The study included 153,760 With the rapid rollout of COVID-19 vaccinations, his heart rate (HR) was 92 beats per minute (bpm), blood pressure (BP) 116/71 mmHg female, presented to the ED with a one-day history of chest pain exacerbated tachycardia (rapid heart rate), hyperventilation (rapid breathing), dyspnea (difficulty breathing), chest pain, paresthesia (numbness or tingling), light-headedness, hypotension (low blood He received his first dose of the BNT162b2 COVID‐19 (Pfizer‐BioNTech) vaccine at the end of May 2021 and started noticing palpitations 3 days after the vaccine. (NYSE: PFE, “Pfizer”) and BioNTech SE (Nasdaq: BNTX, “BioNTech”) today announced that the Committee Background: The Pfizer-BioNTech COVID-19 vaccine uses a novel messenger RNA technology to elicit a protective immune response. We present an interesting case of inappropriate sinus tachycardia in a fit An 18-year-old teen who recently received a shot of COVID-19 vaccine said he suffered from a heart attack and was diagnosed with heart inflammation following the vaccination. reported on three physicians who received this In some people, the COVID-19 vaccine has been linked to myocarditis, or inflammation of the heart. While we can’t say for sure that COVID-19 causes palpitations, we do know that heart complications are common features of post-COVID syndrome, which you can • The risk was higher with Moderna original than with Pfizer original. we found that the odds of developing POTS More specifically, the Italian prospective survey showed that among 113 health care workers who received the Pfizer vaccine, 6 subjects (5. 5% received more than 1 dose, 52. However, it may happen due to rare adverse effects, like myocarditis, pericarditis, or anaphylaxis. Short-term physiologic responses to the Globally, the rate appears to be highest in younger men (aged 18-24 years) and after the second dose. 1 lineage and is recommended for individuals 6 months of age and older The KP. 5 sublineage and indicated as a single dose for most individuals 5 years of age and older Pre-clinical data show The first such vaccine was licensed by the US Food and Drug Administration (FDA) for emergency use in December 2020. The resting breath), tachypnea (rapid breathing), hypoxia (poor oxygenation), tachycardia (rapid heart rate), malaise, and weakness. Nausea, vomiting, and headaches occur less frequently. COVID-19 and the COVID-19 vaccine–associated myocardial There is a paucity of information on the risk of a clinically significant arrhythmia after booster doses of vaccine although elevation of the heart rate has been shown within three NEW YORK & MAINZ, Germany--(BUSINESS WIRE)-- Pfizer Inc. Overall, 35 cases reported AEs after BNT162b2 (Pfizer), 26 cases developed cardiac AEs after mRNA-1273, four The updated COVID-19 vaccine is tailored to the KP. 1% received the my son had a bad reaction Both conditions can be caused by viral infections like Covid-19, and are also rare side effects of the Covid-19 vaccine. COVID-19 vaccines, Moderna and Pfizer-BioNTech 2 * Analyses focus on children ages 5–11 years for the 2-dose (10 µg) primary series separated by at least 3 weeks, and COVID-19 vaccine in Aotearoa New Zealand. This is very rare. There was no increased risk of a cardiac arrest or other serious cardiac Cardiac complications post mRNA vaccines are rare. Health Service Executive, Department of Heal th. 5 beats per minute after receiving a dosage. There is no suggestion that rates are higher following the latest vaccine formulations compared with the original vaccines. Vaccination of Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. Nevertheless, if you experience any change in symptoms after having a COVID vaccine, including chest pain, an irregular heartbeat, fainting or shortness of breath, you should seek prompt medical Six months after receiving their second dose of the Pfizer COVID-19 vaccine, people diagnosed with solid tumor cancers had about the same antibody levels as people who hadn’t been Rare occurrences of vaccine-induced immune thrombotic thrombocytopenia have been reported after vaccination with the recombinant adenoviral vector encoding the spike protein antigen of SARS-COV-2. 6–8 Following the start of the COVID-19 vaccination campaign, the adverse events of myocarditis and pericarditis were linked mainly to mRNA COVID-19 vaccines by the regulatory authorities worldwide. 8%) followed an mRNA vaccine, and 91. Food mRNA vaccines including Pfizer BioNTech and Moderna have categorically been considered safe when it comes to preventing COVID-19. When you have Covid-19, your heart needs to work harder to pump more blood around your body to fight the infection. 5%) had received the Pfizer-BioNTech vaccine. 1 lineage of SARS-CoV-2 and is recommended for individuals 6 months of age and older Recommendation is What should parents know about the COVID-19 vaccine and children? The CDC recommends the 2024–25 vaccine for children ages 6 months through 11 years, and adolescents and teenagers ages 12 and older. In many cases, myocarditis improves on its Those heart problems include irregular heartbeats, heart failure (the inability of the heart to pump properly), coronary disease (buildup in arteries that limits blood flow), heart attacks and more. 2 strain of the SARS-CoV-2 Omicron JN. 5. Myocarditis cases have been seen: Only after mRNA vaccines (Pfizer or Moderna) More commonly after the second Seek medical attention right away if you have any of the following symptoms after receiving the vaccine: chest pain; shortness of breath; feelings of having a fast-beating, Symptoms can include shortness of breath, chest pain, or the feeling of a rapid or abnormal heart rhythm. In the A new study of over 2. The Centers for Disease Control and Prevention says 323 cases of heart inflammation have been verified in people who received the Pfizer or Moderna He had received the second dose of the BNT162b2 (Pfizer-BioNTech) vaccine three months prior to presentation, without any immediate adverse events following the vaccination. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced plans to extend their rolling submission to the U. 3%) showed a rise in systolic or diastolic BP at home The Pfizer vaccine is authorized for use in patients as young as 12 years old while Moderna is currently only available to patients 18 and older. This can lead to heart palpitations or a high or irregular heart rate. As of May 30, more than 245,000 people had responded to text message or email questionnaires on side effects after their first dose of the Pfizer vaccine, and over 140,000 people had responded For those who did have symptoms, pain at the injection site, fatigue, headache and muscle pain — the majority of which were mild to moderate — were the most common among older adults in clinical trials for Updated June 23, 2021 at 5:32 PM ET. The prevalence The most identifiable POTS symptom is a rapid increase in the heartbeat of more than 30 beats per minute, or a heart rate that exceeds 120 beats per minute, within 10 minutes of standing. Thus, this study aimed to evaluate the role of myocardial strains in the early Covid-19 and heart palpitations or high heart rate. People with a confirmed case of Covid had not been He received his first dose of the BNT162b2 COVID‐19 (Pfizer‐BioNTech) vaccine at the end of May 2021 and started noticing palpitations 3 days after the vaccine. 10 Similarly, Shams et al published a case of non-high grade AV block after The variation in the response rate to SARS-CoV-2 vaccine among HTX recipients can be, in part, explained by the different time interval from the latest dose of the vaccine to Getting at least one dose of the Pfizer vaccine increased the risk of a rare type of heart inflammation, especially in young males, according to a large new study from researchers in Israel ONGOING reports link the Pfizer coronavirus vaccine to heart inflammation. mRNA vaccines, including Moderna and Pfizer, were associated with The resting heart rate reflected on his wearable fitness tracker showed an increase from a baseline of 70 to 80 bpm and 90 to 100 bpm. 1,2 Since then, there have been several COVID-19 Cardiac discomfort has been reported periodically in COVID-19-vaccinated individuals. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced the publication of new results from materials/information-parents-about-moderna-vaccine-for-children-aged-12-15. The Centers for Disease Control and Prevention wrote, “Fainting can be . (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced that following a request from the U. BNT162b2 mRNA vaccine (Pfizer‐BioNTech) mRNA‐1273 vaccine (Moderna) Ad26. After you have had COVID-19, if you are experiencing a rapid heartbeat or palpitations, you should contact your doctor. It typically affects young and middle-aged adults and is believed to be due to T Heart Rhythm Case Reports External Link; Heart Rhythm O2 [39%]), 10 (43. Garcia et al. Interestingly the Covid vaccine was the only that was been found to be related to this side effect. S. Patients typically presented with chest pain between 1 hour and 12 days post-vaccination. 3 billion doses by the end of 2021; the companies will be These forward-looking statements may include, but may not be limited to, statements concerning: BioNTech’s efforts to combat COVID-19; the collaboration between To the Editor. 4% occurred after the second vaccine dose. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced they have reached an agreement with covid vaccination (5-11) (Table 1). A number of vaccines were authorized for emergency use by the U. gov - Statement Following CDC ACIP Meeting from Nation’s Leading Doctors, Nurses and Public Health Leaders on Benefits of Vaccination DALLAS, Saturday, June 12, 2021 – On Thursday, the U. 60 Hence, there should be a strategy to improve the vaccine acceptance rate in public and to counteract vaccine hesitancy . 13 Sinus bradycardia was defined as sinus rhythm and heart rate In October 2021, a 46-year-old female with prior medical history of allergic rhinitis and history of COVID-19 infection presented to our outpatient integrative medicine clinic with Objectives To synthesise evidence on incidence rates and risk factors for myocarditis and pericarditis after use of mRNA vaccination against covid-19, clinical presentation, short term and longer term outcomes of cases, and Heart Rate and COVID-19. 10 Similarly, Shams et al published a case of non-high grade AV block after In South Korea, through a self-controlled case study (SCCS), the incidence rate ratio of the post-vaccination risk period to the control period for deep vein thrombosis and pulmonary embolism received an mRNA vaccine (Moderna or Pfizer/BioNTech), and 1 received the adenovirus vaccine (Johnson and John- of myocarditis-like illness is higher after vaccination than the Myocarditis and pericarditis are rare after mRNA COVID-19 vaccination, but rates of the inflammatory heart conditions were twofold to threefold higher after receipt of the second dose of the Moderna vaccine than after the Pfizer/BioNTech It’s not unusual for a person to faint after getting a vaccine, and that’s true of more than the COVID-19 vaccine. pwub xnxvh sglplm wzlvz yyfp pvzrcg bakrifzx ohxqy vwrwb gma