The U.S. Supreme Court refused to intervene on behalf of two Chicago-area churches that said Illinois coronavirus restrictions were so strict they violated the Constitution.

Wuhan is set to complete the testing of its entire population of 11 million as China pours massive resources into avoiding a resurgence of Covid-19 infections.

U.S. Senate Health Cmte Chairman Lamar Alexander says President Trump’s decision to terminate U.S. membership in the World Health Organization could hurt development of vaccines.

President Donald Trump said the U.S. will terminate its relationship with the World Health Organization, which he has accused of being too deferential to China and of failing to provide accurate information about the spread of the coronavirus.

The Patent Trial and Appeal Board has granted Gilead’s request to review the validity of a patent owned by the University of Minnesota for compounds used to treat viral infections.

Moderna says first participants have been dosed in the company’s Phase 2 study of its covid-19 vaccine candidate.