A SARS-CoV-2 variant with traits similar to that of the Delta variant—enhanced transmissibility and an ability to infect people who had previous infections/vaccination—will cause a more severe pandemic with more infections ...
Nov 19, 2021
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(HealthDay)—Moderna asked the U.S. Food and Drug Administration on Wednesday to allow emergency use of the company's coronavirus vaccine booster for all adults aged 18 and older.
Nov 18, 2021
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Some recent studies have shown similar peak viral loads in vaccinated people compared to unvaccinated people who contract COVID. This has raised concerns for the efficacy of vaccines for preventing transmission.
Nov 18, 2021
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(HealthDay)—For individuals vaccinated with mRNA COVID-19 vaccines, prior severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is associated with a lower risk for breakthrough infection, according to a ...
Nov 16, 2021
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As the U.S. braces for a new surge of COVID-19 cases expected to start hitting around Thanksgiving, Northwestern Medicine experts offer a playbook to a safe holiday gathering.
Nov 15, 2021
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(HealthDay) — The risk of serious illness or death is lower among vaccinated people who get breakthrough COVID-19 infections than among unvaccinated people who get infected, two new studies confirm.
Nov 5, 2021
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An analysis of electronic health records of nearly 580,000 fully vaccinated people in the United States found that the risk of SARS-CoV-2 breakthrough infection among vaccinated patients with substance use disorders was low ...
Oct 6, 2021
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Anew study from the University of California, Davis, Genome Center and UC San Francisco shows no significant difference in viral load between vaccinated and unvaccinated people who tested positive for the delta variant of ...
Oct 5, 2021
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Delta was recognized as a SARS-CoV-2 variant of concern in May 2021 and has proved extremely difficult to control in unvaccinated populations.
Sep 29, 2021
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The U.S. has now vaccinated more than 208 million people with at least one dose of COVID-19 vaccine. More people are getting vaccinated, but transmission rates in communities are still high, with 94% of U.S. counties classified ...
Sep 22, 2021
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