Diseases, Conditions, Syndromes

Vaccine protection may diminish need for yearly boosters

Scientists have found clues that the world's leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations ...

Medical research

SARS-CoV-2 mutations in competition

Prior to the emergence of new mutants of the coronavirus, such as the British variant B.1.1.7, the SARS-CoV-2 variant named D614G had already mutated from the original SARS-CoV-2 pathogen that triggered the pandemic. D614G ...

Diseases, Conditions, Syndromes

Unusual 2019-2020 flu season linked to more transmissible strain

The 2019-2020 flu season in the U.S. was unusual in a number of ways. Cases picked up in August rather than the more typical fall and early winter months, and it hit children particularly hard. It was also dominated early ...

Diseases, Conditions, Syndromes

Study details N439K variant of SARS-CoV-2

An international team of researchers has characterized the effect and molecular mechanisms of an amino acid change in the SARS-CoV-2 Spike protein N439K. Viruses with this mutation are both common and rapidly spreading around ...

Diseases, Conditions, Syndromes

Some COVID-19 mutations may dampen vaccine effectiveness

Scientists are reporting troubling signs that some recent mutations of the virus that causes COVID-19 may modestly curb the effectiveness of two current vaccines, although they stress that the shots still protect against ...

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