Merck acquired Maryland-based OncoImmune and the Covid-19 therapeutic candidate CD24Fc for $425 million in upfront cash two months after the Phase III asset demonstrated efficacy during an interim analysis.

The U.S. Transportation Security Administration screened 1.047 million passengers on Nov. 22, the highest number since mid-March 2020.

U.S. healthcare workers and others recommended for the nation’s first Covid-19 inoculations could start getting shots within a day or two of regulatory consent in December, a top official of the government’s vaccine development effort said.

The United States recorded the country’s 12th million Covid-19 case, even as millions of Americans were expected to travel for the upcoming Thanksgiving holiday, ignoring warnings from health officials about furthering the spread of the infectious disease.

A roundup of some of the latest scientific studies on the novel coronavirus includes research on whether a childhood vaccine may help prevent severe Covid-19 and whether cigarette smoke increases cell vulnerability to Covid-19.

Novartis inked an exclusive worldwide license and collaboration deal with Australia-based Mesoblast to develop, commercialize and manufacture remestemcel-L for acute respiratory distress syndrome (ARDS), including when it is linked to Covid-19.

The U.S. death toll from Covid-19 surpassed a grim new milestone of 250,000 lives lost as New York City’s public school system – the nation’s largest – called a halt to in-classroom instruction, citing a jump in coronavirus infection rates.

The U.S. Food and Drug Administration will make public reviews of all data and information regarding the emergency use authorization (EUA) granted to Covid-19 drugs and vaccines.

Several U.S. governors, from the coastal states of New Jersey and California to the heartland of Iowa and Ohio, acted to restrict gatherings and boost face-coverings in confronting a coronavirus surge they warned is out of control.

The city of Philadelphia will ban indoor gatherings altogether and the nearby state of New Jersey will strictly limit their size as U.S. officials struggle to slow a Covid-19 surge that could overwhelm hospitals and kill thousands.