Vietnam has detected a Covid variant that appears to be a combination of the Indian and UK variants and can spread quickly by air, officials say.
Second vaccine doses could be brought forward and local restrictions introduced to help tackle the India variant in the worst-affected areas, the government has said.
President Joe Biden has hailed a “great day for America” as US officials said vaccinated people can go mask-less in most indoor and outdoor settings.
The Muhammadu Buhari-led Federal Government has extended its work-from-home directive for civil servants on Grade Level 12 and below.
Israel has recorded no new daily Covid-19 deaths for the first time in 10 months, as the country pushes ahead with its speedy vaccination drive.
US health regulators have lifted an 11-day pause on the Johnson & Johnson (J&J) Covid-19 jab, but will add a warning label about the potential for extremely rare blood clots.
India has reported 314,835 new coronavirus cases in the last 24 hours – the highest one-day tally recorded anywhere in the world.
After an international mission to China turned up more questions than answers about the pandemic origins, the WHO is evaluating how to move forward through a diplomatic quagmire to solve the mystery.
An additional 18,917 persons received their first dose of the Oxford-AstraZeneca COVID-19 vaccines on Wednesday, taking the total number of vaccinated people in the country to 1,133,325.
Nigeria recorded 65 new COVID-19 cases and zero fatality on Wednesday, according to data released by the Nigeria Centre for Disease Control (NCDC).