Natural immunity provides substantial protection against reinfection with COVID-19, according to research published in The Lancet, which found the risk of reinfection was 84% lower for those who had recovered from COVID-19 compared to those who had not been infected.
Rutgers scientists found that acute COVID infection disrupts a healthy balance between good and bad microbes in the gut.
The FDA authorized updated bivalent COVID vaccines from Moderna and Pfizer-BioNTech for use as single booster doses at least two months following primary or booster vaccination.
The Biden administration announced on Monday that it would buy 3.2 million doses of a Covid-19 vaccine from the Maryland pharmaceutical company Novavax that is expected to soon receive authorization in the United States.
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COVID-19 vaccine acceptance increased 3.7% between 2020 and 2021, according to a new international study.
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Between March 2020 and October 2021, COVID-19 accounted for 1 in 8 deaths (or 350,000 deaths) in the United States, behind only heart disease and cancer.
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An FDA vaccine advisory committee recommended future COVID-19 vaccine boosters should include a SARS-CoV-2 omicron BA.4/5 component for boosters beginning in fall 2022.
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To examine the infectious periods in vaccinated individuals infected with the SARS-CoV-2 Omicron and Delta variants, researchers collected daily PCR tests from a group of college students and staff.
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COVID-19 vaccines reduced the potential global death toll during the pandemic by more than half in the year following their implementation, a mathematical modeling study published in The Lancet Infectious Diseases estimates.
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As vaccine immunity wanes over time and new, more contagious SARS-CoV-2 variants emerge, the world needs a long-term boosting strategy.
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New research provides additional evidence that COVID-19 vaccination during pregnancy helps protect babies younger than 6 months from being hospitalized due to COVID-19.
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Inactivated and mRNA COVID-19 vaccines appear to be safe for patients treated for hypothyroidism, according to a new study being presented at ENDO 2022, the Endocrine Society’s annual meeting.
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About six times more kids in the United States died from Covid in one year than from the flu, according to a new analysis of pediatric mortality data.
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No one has a crystal ball to see which SARS-CoV-2 variant will come next or how good future variants will be at evading vaccine immunity. But looking to other respiratory viral foes that have troubled humanity for a while can suggest what the future could look like.
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New research presented at the annual meeting of the European Society of Anaesthesiology and Intensive Care (ESAIC) in Milan, Italy shows it is practical to learn how to do mouth-to-mouth resuscitation while wearing a face mask to reduce the risk of COVID-19 transmission.
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