Amid reports of waning COVID-19 immunity, the Food and Drug Administration (FDA) is expected to officially approve a third dose of messengerRNA vaccines for the general public. Moderna and Pfizer are mRNA vaccines.
Aug 26, 2021
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A new study on Chile's national COVID-19 vaccination program, to be presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID 2022, Lisbon 23-26), and published in The Lancet Global ...
Apr 24, 2022
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COVID-19 vaccine choices are getting more complicated. So don't feel bad if you are confused about the different COVID-19 vaccines and who's eligible for what. In addition to the three original vaccines approved by the Food ...
Oct 8, 2021
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A team of researchers working at Israel's Sheba Medical Center has found evidence that suggests a fourth COVID vaccination or second booster shot may not be necessary for most people because it does not add significant protection. ...
Vaccine drugmaker Pfizer says its studies show three doses of its COVID-19 vaccine neutralized the omicron variant while two doses reduced severity.
Dec 10, 2021
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According to an accepted manuscript published in ARRS' American Journal of Roentgenology (AJR), axillary lymphadenopathy after a COVID-19 vaccine booster dose has a mean time to resolution of 102 days, shorter than the time ...
Mar 9, 2023
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A recent Pfizer or Moderna mRNA-vaccine booster provided good but temporary protection against infection by the SARS-CoV-2 Omicron variant, according to a study from researchers at Weill Cornell Medicine—Qatar.
Jun 15, 2022
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In a detailed analysis of nearly 43 million people, ages 13 and older, who received at least one dose of a COVID-19 vaccine in England, the risk of myocarditis in unvaccinated individuals after COVID-19 infection was at least ...
Aug 22, 2022
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People who are vaccinated and have had a booster shot against COVID-19 recover from symptoms from the Omicron variant more than three days earlier than those with the Delta variant, a study said Friday.
Apr 7, 2022
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Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works—just days before regulators debate whether to offer Americans updated booster shots this fall.
Jun 25, 2022
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