A group of 36 volunteers have completed the first human challenge study of COVID-19, after being given the virus and then monitored to examine what happened to them after infection.
Apr 1, 2022
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The Heartland virus is circulating in ticks in Georgia, researchers warned in a study published last week.
Mar 23, 2022
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The SARS-CoV-2 virus that causes COVID-19 has killed 6 million people worldwide since 2019.
Mar 21, 2022
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People who gained immunity—either through vaccination or exposure—against the original strain of SARS-CoV-2, the virus that causes COVID-19, also are likely to have some protection against the pathogen's Omicron variant. ...
Mar 11, 2022
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At the beginning of the COVID pandemic, we were hopeful that pre-existing immunity to the common cold could protect you from COVID, but new evidence suggests that sometimes the opposite can happen. A new University of Rochester ...
Mar 7, 2022
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Virologists thought they had seen the worst of SARS-CoV-2's variants when delta emerged in the spring of 2021, but by fall a new one was in circulation with a slew of spike protein mutations that took the scientific community ...
In 2020, Denmark culled millions of mink to quell a source of zoonotic COVID-19 transmission, the passage of the SARS-CoV-2 virus between humans and animals. Last year, zoo animals including lions, tigers, and gorillas got ...
Feb 24, 2022
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Researchers at Johns Hopkins Medicine report the successful and safe transplantation of a kidney from a donor who died of complications from COVID-19. The case, which involved careful collection and sensitive molecular testing ...
Feb 1, 2022
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Many experts now predict that COVID-19, which so far has killed more than 5.5 million people worldwide, will remain endemic as new, infectious variants of SARS-CoV-2 emerge. These new variants could pose a greater risk of ...
Jan 25, 2022
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There's more evidence that one of the world's most common viruses may set some people on the path to developing multiple sclerosis.
Jan 16, 2022
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