The new BA.5 subvariant has caused a sharp rise in cases and hospitalizations throughout much of the United States. Irfan Khan/Los Angeles Times via Getty Images The omicron subvariant known as BA.5 ...

New variants of SARS-CoV-2 have emerged throughout the COVID-19 pandemic, with the latest one being Omicron. We’re still trying to learn about its effects and what it means for the overall course of ...

There's growing evidence that omicron causes less severe disease than previous variants. Does that mean SARS-CoV-2 is evolving into a more mild... Why omicron may cause less harm — and what it means ...

The omicron variant of Covid-19 appears less likely than delta to lead to long Covid, according to British researchers. But because omicron is much more contagious than previous variants, the enormous ...

Denmark expects the omicron Covid-19 variant to overtake delta within a week as the number of cases of the new strain doubles every two days, according to the Statens Serum Institut in Copenhagen, ...

Federal Reserve Chairman Jerome Powell believes that the omicron variant of Covid-19 and a recent uptick in coronavirus cases pose a threat to the U.S. economy and muddle an already-uncertain ...

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The omicron subvariant known as BA.5 was first detected in South Africa in February 2022 and spread rapidly throughout the world. As of the second week of July 2022, BA.5 constituted nearly 80% of ...

Suresh V. Kuchipudi receives funding from the National Institutes of Health, National Science Foundation and USDA-National Institute of food and Agriculture. The omicron subvariant known as BA.5 was ...