Based on unspecified new intelligence, US Energy Department now thinks lab leak theory most likely explanation for pandemic, but expresses 'low confidence' over finding

Obligatory home isolation for those with the virus to end in May, rule requiring masks in medical facilities and retirement homes discontinued this week

Acting chair of FDA vaccine advisory committee hopes Israel’s stellar performance in COVID research will persist on other topics and have ‘continuing effect’ on US health policy

Top epidemiologist hails decision as wise move to deal with coronavirus as part of 'new normal,' but critic says case for regular population-wide vaccination not compelling

After over five years in office, premier says she 'no longer has enough in the tank' to remain in role, will leave early February; doesn't name successor

Authorities have been accused of underreporting coronavirus fatalities since abandoning zero-COVID policy

Researcher says 'small number of people' still suffer from shortness of breath or weakness 12 months after infection, but 'vast majority' are OK

Vaccine conspiracist Andrew Bridgen is suspended pending probe into tweet suggesting that vaccine program is 'biggest crime against humanity' since Nazi genocide of Jews

Largest investigation of the new COVID shots suggests they also sharply reduce deaths, calling them ‘an effective and essential tool.’ Research is not yet peer-reviewed.

Official mentions sky-high figure in country's third most populous province Henan, following China's major policy change, reopening after years of 'zero infection' attempt