BUFFALO, N.Y. – A new University at Buffalo study conducted at John R. Oishei Children’s Hospital is one of the first to reveal that there were fewer cases of multi-system inflammatory syndrome in ...

Several Omicron experts said the chaos might soon end. In August, a variant called BA.2.86 emerged with a host of new mutations — likely the result, once again, of evolution taking place in an ...

Ho’s work also showed that the bivalent booster did not produce appreciably different antibody responses against newer Omicron variants, such as BQ.1, BQ.1.1, XBB, and now XBB.1.5, which ...

New York City health officials are warning residents that the infectious omicron subvariant XBB.1.5 may be more likely to infect people who have already been vaccinated or infected with COVID-19.

The World Health Organization is monitoring the Omicron subvariant XBB.1.16, which has been identified in about two dozen countries. The subvariant has not been found in the United States, but it ...

A preliminary study in Israel finds that seniors who received an Omicron-targeting booster shot were 81% less likely to be hospitalized with COVID-19 than those who skipped it.

COVID infections and hospitalizations are on the rise in the U.S., Europe and Asia. Health officials are pointing at the EG.5 "Eris" coronavirus, a subvariant of the Omicron lineage that ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature.. Using population-wide data ...

The omicron variant of SARS-CoV-2 is much less likely to lead to long Covid than the variant circulating at the start of the COVID-19 pandemic, new research being presented at this year's European ...