A Biogen corporate meeting held in Boston in March that was initially connected to about 100 cases of COVID-19 could have led to a significantly higher number of infections.

The number of new cases of the novel coronavirus reported in the United States fell 17 percent, the fifth straight week of declines, according to a Reuters tally of state and county reports.

A study of Fitbit wearers concludes that almost 50 percent of Covid-19 cases can be detected a day before enrollees in the study reported the onset of symptoms, and with 70 percent specificity.

Point-of-care testing is a critical tool in the battle against Covid-19, and researchers in Indiana are working around the clock to deliver rapid tests with high specificity.

The United States surpassed 170,000 coronavirus deaths, according to a Reuters tally, as health officials express concerns over Covid-19 complicating the fall flu season.

A paper published in the journal Science on August 8 suggests that it may be possible to speed up the drug discovery process.

The number of new Covid-19 cases among children in the United States rose 40% in the last two weeks of July, according to a report released just weeks before tens of millions of American students are scheduled to begin the new school year.

Global coronavirus cases pushed past 20 million, according to a Reuters tally, with the United States, Brazil and India accounting for more than half of all known infections.

The United States is in a new phase of the novel coronavirus outbreak with infections “extraordinarily widespread” in rural areas as well as cities, White House coronavirus experts said on Sunday.

U.S. coronavirus deaths rose by over 25,000 in July and cases doubled in 19 states during the month, according to a Reuters tally, dealing a crushing blow to hopes of quickly reopening the economy.