![]() While they share COVID-19’s molecular structure, they do not replicate or cause COVID-19. They were created in moth cells and then assembled into nanoparticles – small particles made of a few hundred atoms. The proteins inside the Novavax vaccine mimic COVID-19’s spike protein. The flu vaccine and the hepatitis B vaccine, which doctors have administered throughout the U.S. Unlike mRNA vaccines, such as Pfizer and Moderna, the Novavax vaccine uses a longer-standing protein-based technology. Over 30 countries, including the United Kingdom, Australia, and Germany, have already approved this vaccine for emergency use. On January 31, 2022, Novavax submitted a request to the Food and Drug Administration (FDA) for emergency use authorization for its COVID-19 vaccine candidate. As of the time of publication, they have declined to comment until additional peer-reviewed data become available. Medical News Today has contacted over 20 experts for comment on the potential side effects of the Novavax COVID-19 vaccine, Nuvaxovid. According to the Centers for Disease Control and Prevention (CDC), anyone with a history of an allergic reaction to PEG should not get an mRNA COVID-19 vaccine and should speak to their doctor about an alternative.Share on Pinterest What side effects can the Novavax vaccine cause? Image credit: Mariano Vimos/Vizzor Image/Getty Images. It is worth noting that a PEG allergy is extremely rare. It is still unclear whether PEG is the cause of the reported allergic reactions or whether the concentration of PEG in the vaccine is enough to cause a reaction. ![]() PEG, which is commonly found in laxatives, works in the vaccine as a protective coating for the mRNA molecule as it enters cells. Like the Pfizer vaccine, the Moderna COVID-19 vaccine contains an ingredient called polyethylene glycol (PEG), which has raised concerns regarding its potential to induce an allergic reaction. ![]() The vaccine fact sheet lists the following potential symptoms of a severe allergic reaction: Out of 7,581,429 Moderna vaccine doses administered, there have been 19 reports of anaphylaxis, fewer than 3 cases per million. Most of those who receive immediate care respond well to treatment, and their condition quickly improves, the agency adds.Īllergic reactions, severe and otherwise, have been reported as possible side effects of the vaccine, as a response to certain ingredients in the vaccine.Īnaphylaxis, a severe allergic reaction, is a rare side effect of vaccination. The symptoms include chest pain, shortness of breath, and “feelings of having a fast-beating, fluttering, or pounding heart.”Īccording to the CDC, these side effects within the heart are most likely to occur in adolescents and young adults. The federal agency also advises that those who do experience myocarditis or pericarditis symptoms after vaccination should seek medical attention immediately. In the patient fact sheet for the Moderna vaccine, the FDA notes that symptoms of myocarditis or pericarditis tend to appear “within a few days following receipt of the second dose.” However, the FDA, adds, these side effects are very unlikely to occur in most people. Rare side effects: Myocarditis, pericarditisįollowing some reports of myocarditis, or inflammation of the heart muscle, and pericarditis, which is inflammation of the lining outside the heart, after the receipt of mRNA vaccines, the FDA added revisions to both the patient and healthcare provider fact sheets for the Moderna vaccine. The authors of the report note that COVID arm is uncommon, not harmful, and recedes spontaneously or with the use of steroids or antihistamines. This case report describes the experiences of four people who developed COVID arm 7–10 days after receiving the first dose of the Moderna vaccine. Known as “ COVID arm,” the rash can appear several days after the vaccination. There have also been reports of people experiencing a red, itchy, swollen, or painful rash at the injection site. This study notes that after the second dose, 82% of Moderna vaccine recipients reported injection site reactions, compared with 69% of Pfizer vaccine recipients. People who have had other authorized COVID-19 vaccines have also reported these side effects.Īmong recipients of mRNA vaccines, however, there have been more frequent reports of side effects from people who have had the Moderna vaccine.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |