Omicron

Japan’s weekly COVID-19 cases rise for 10th straight week

Brazil starts administering bivalent COVID-19 vaccine

Studies show coronavirus vaccines have no serious negative effects: Turkish committee

Expiration of Pfizer’s COVID-19 shot in Brazil raised to 18 months

Kazakhstan records surge in COVID cases since last November

Omicron accounts for 98% of confirmed COVID cases in Russia — official

Coronavirus situation in Russia relatively stable — sanitary watchdog

Russian health ministry’s chief infectionist sees possibility of new COVID-19 wave

Covid-19 Brazil: new variant derived from Ômicron detected in SP

No new Omicron BQ.1, Cerberus infections recorded in Russia