epidemics

First dose of Chinese Covid-19 vaccine offers little protection, Chile learns

Fauci predicts J&J vaccine will return Friday, perhaps with limitations, warnings

Ontario is repealing new restrictions that have infuriated many

The US manages 205.9 million doses of COVID-19 vaccines

Expat Americans fly home for Covid-19 vaccination shots

Biden’s administration is preparing for the possible need

China plans to approve the first foreign Covid-19 vaccine by July

More young people hospitalized as more contagious variants spread

The Covid-19 toll on US business? 200,000 additional closures in Pandemic’s first year

J&J asked Pfizer, Moderna to help study blood clots, but they declined: WSJ