First discovered a year ago in South Africa, the SARS-CoV-2 variant later dubbed "omicron" spread across the globe at incredible speed. It is still unclear exactly how, when and where this virus originated. Now, a study published ...
Dec 1, 2022
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mRNA COVID-19 vaccines are less effective against omicron infections than other variants. A study published December 1 in the open access journal PLOS Medicine by Margaret L. Lind at the Yale School of Public Health and colleagues ...
Dec 1, 2022
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The effectiveness of COVID-19 vaccines in preventing death remains high in children and adolescents regardless of the predominant circulating variant, suggests a large study from Argentina published by The BMJ today.
Nov 30, 2022
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Three currently circulating omicron subvariants of SARS-CoV-2—including two that currently make up almost 50% of reported COVID-19 infections in the U.S.—are better at evading vaccine- and infection-generated neutralizing ...
Nov 22, 2022
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A small increase in the number of people having two vaccines against COVID-19 was more effective in controlling the virus during Europe's fourth wave—when the omicron variant appeared—than the rapid uptake of booster ...
Nov 16, 2022
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Moderna announced Monday that its updated booster shot triggers strong antibody responses against three omicron subvariants.
Nov 15, 2022
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In late October, the UK Health Security Agency assigned variant designations to two new omicron "grandchildren": BQ.1 and XBB. This means they will be monitored by health authorities, but are not at this stage regarded as ...
Nov 14, 2022
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Researchers from the University of Missouri School of Medicine have discovered a high prevalence of COVID-19 co-infections in central Missouri during the 2021–2022 flu season, with a monthly co-infection rate as high as ...
Nov 2, 2022
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Two new omicron subvariants, BQ.1 and BQ.1.1, are quickly gaining traction in the US, collectively accounting for 27% of infections as of October 29. Both are descendants of BA.5, the omicron variant that has dominated around ...
Oct 31, 2022
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The total magnitude of the T-cell responses induced by mRNA and inactivated SARS-CoV-2 vaccines are comparable; however, the similarity ends here, according to a new study led by Duke-NUS Medical School scientists.
Oct 31, 2022
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