Symptoms include shortness of breath, chest pain and a forceful heartbeat that may sometimes be irregular. The reports indicate that the cases of myocarditis and pericarditis mostly started within the first fourteen days after vaccination, and were more likely to occur after the second vaccination than after the first. This has been established by the European Medicines Agency (EMA) after reviewing reports from countries within Europe and beyond. In very rare cases, inflammatory diseases of the heart may occur following vaccination with Pfizer or Moderna: myocarditis (inflammation of the heart muscle) or pericarditis (inflammation of the outer lining of the heart). The website of the Dutch Medicines Agency (CBG-MEB) also offers more information about AstraZeneca and Janssen (in Dutch). More information is available on the page about AstraZeneca side-effects. If these symptoms do occur, they are usually seen within three weeks after vaccination. multiple tiny blood spots: red or purple dots or blisters under the skin.severe or worsening headache or blurred vision.swelling or a cold feeling in an arm or leg.It is important to contact medical professionals immediately if you develop these symptoms after vaccination with Janssen or AstraZeneca: The Health Council of the Netherlands advised using the Janssen vaccine in situations in which the advantage of a single vaccination (rather than 2 doses) is very significant. The AstraZeneca vaccine is only given to people born in 1960 or before. Since the risk of this rare side-effect is very low, these vaccines are deployed for some specific groups.
This side-effect is referred to as thrombosis with thrombocytopenia syndrome (TTS). In the context of the AstraZeneca and Janssen vaccines, this can involve a combination of blood clots (thrombosis) with low levels of blood platelets (thrombocytopenia). In very rare cases, more serious side-effects may also occur. Very rare and serious side-effect of Janssen and AstraZeneca vaccines See the questionnaire survey (in Dutch) by Lareb.įor a complete overview of the possible side-effects, see the vaccine package leaflets. Women and young people are more likely to have side-effects after vaccination. The number of people who experience these side-effects after vaccination differs depending on which vaccine they received. These symptoms start within a day or so after vaccination and go away by themselves, but can be unpleasant. Side-effects such as muscle pain, joint pain, chills, nausea and vomiting may also occur after vaccination with COVID-19 vaccines. Side-effects such as fever, headache and tiredness occur after vaccination with COVID-19 vaccines in a significant proportion of those who are vaccinated. Most of the participants were White adults, with a mean age of 65.Most common side-effects of the COVID-19 vaccines The researchers analyzed data on 928 adults who self-reported what symptoms they experienced after receiving Pfizer/BioNTech or Moderna Covid-19 vaccinations, as well as submitted a dried blood spot to test for antibodies. “This is more to reassure people who have had a reaction that that’s their immune system responding, actually in a rather good way, to the vaccine, even though it has caused them some discomfort,” Schaffner said. William Schaffner, a professor in the Division of Infectious Diseases at Vanderbilt University Medical Center and medical director of the National Foundation for Infectious Diseases, who was not involved in the new study.
The vaccine didn’t work.’ I don’t want that conclusion to be out there,” said Dr. “I don’t want a patient to tell me that, ‘Golly, I didn’t get any reaction, my arm wasn’t sore, I didn’t have fever. Nearly all study participants exhibited a positive antibody response after completing a two-dose Pfizer/BioNTech or Moderna vaccine series. Scott Olson/Getty Imagesįirst on CNN: More Americans are getting their booster shots, but 'it's not enough,' Biden administration warnsīut even though some people may have small, localized side effects or no symptoms at all, the vaccine still elicits robust immune responses in them too. The recently authorized booster vaccine protects against the original SARS-CoV-2 virus and the more recent omicron variants, BA.4 and BA.5. A pharmacist prepares to administer COVID-19 vaccine booster shots during an event hosted by the Chicago Department of Public Health at the Southwest Senior Center on Septemin Chicago, Illinois.
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