A laboratory study of pediatric and adult liver organoids found higher Omicron viral RNA accumulation and a stronger innate ...

A retrospective single-center cohort of 4,173 hospitalized Omicron BA.2 cases found that 934 patients had hypertension, with ...

New findings raise concerns about the potential effects of maternal COVID-19 infection on early nervous system development.

A research team from the School of Public Health at the LKS Faculty of Medicine, the University of Hong Kong (HKUMed), has discovered that emerging omicron sublineages of SARS-CoV-2 use distinct ...

Japan began administering new COVID-19 shots on Sept. 20 that target the Omicron variant to prepare for a possible surge in infections this winter.

NAHA--Prefectural authorities in Okinawa announced the first known case of a local resident confirmed infected with the ...

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 Omicron variant spreads easier than other variants of coronavirus, and people can get it twice. Reinfection is possible even if a person has already had this virus or is fully vaccinated. Several ...

The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel. By Carl Zimmer By November 2021, nearly two years after the coronavirus emerged ...