Findings indicate a sharp drop in immunity after Omicron infection, stressing the necessity for updated vaccines to enhance ...

The COVID-19 vaccine confers protection against the development of post-COVID-19 conditions, particularly during the Delta and Omicron eras.

The record is not likely to be beaten anytime soon — especially as this artist could snag as many as 11 more at the 67th ...

It can happen even after a mild case and at any age, although rates have declined since the pandemic’s early years. Studies show vaccination can lower the risk. It also is not clear what causes long ...

Faster post-COVID-19 recovery is observed after infection with the Omicron vs earlier variants, regardless of vaccination status.

Since late 2021, Omicron variants have dominated the epidemiological scenario as the most successful severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) sublineages, driving new and ...

Based on the evidence presented indicative of a detrimental change in COVID-19 epidemiology, the TAG-VE has advised WHO that this variant should be designated as a VOC, and the WHO has designated ...

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. Those 60 and older, along with medical workers ...