COVID-19

CDC reverses controversial coronavirus guidance that said people without symptoms may not need a test The new guidance says that people without symptoms who have been in close contact with an infected person "need a test." Will Feuer CNBC

The Centers for Disease Control and Prevention on Friday reversed controversial coronavirus testing guidance that said people who were exposed to an infected person but weren’t showing any symptoms did “not necessarily need a test.”

Report: Much needs doing to shield nursing homes from virus WASHINGTON (AP) — The Trump administration is claiming “resounding vindication” from an independent commission's report on the coronavirus crisis in nursing homes, but some panel members say... AP NEWS

WASHINGTON (AP) — The Trump administration is claiming “resounding vindication” from an independent commission’s report on the coronavirus crisis in nursing homes, but some panel members say that’s a misinterpretation of their conclusion that much remains to be done to safeguard vulnerable residents.

Two drug companies that are leading the race to develop coronavirus vaccines bowed to public pressure on Thursday, abandoning their traditional secrecy and releasing comprehensive road maps of how they are evaluating their vaccines.

The companies, Moderna and Pfizer, revealed details about how participants are being selected and monitored, the conditions under which the trials could be stopped early if there were problems, and the evidence researchers will use to determine whether people who got the vaccines were protected from Covid-19.

Moderna’s study will involve 30,000 participants, and Pfizer’s 44,000.