Novavax Inc. is on track to begin a delayed U.S.-based, late-stage study of the company’s experimental coronavirus vaccine during November

Anthony Fauci, director of the U.S. National Institute of Allergy and Infectious Diseases, greeted news about the vaccine against the deadly coronavirus that Pfizer Inc. is developing as “a big deal” and said the United States could have vaccine doses ready to administer to people before the end of 2020.

Global coronavirus infections exceeded 50 million, according to a Reuters tally, with a second wave of the virus in the past 30 days accounting for a quarter of the total.

The United States became the first nation since the pandemic began to surpass 10 million coronavirus infections, according to a Reuters tally, as the third wave of the Covid-19 virus surges across the country.

Texas became the first state to surpass a million coronavirus cases in the United States, as the country battled a third wave of new infections and recorded over 100,000 infections three times in less than a week.

The United States reported a record increase in coronavirus cases for a fourth consecutive day with at least 131,420 new infections, bringing the country’s total caseload to about 9.91 million, according to a Reuters tally.

U.S. coronavirus infections surged by at least 129,606, according to a Reuters tally, the third consecutive daily rise of more than 100,000 cases as a third wave of Covid-19 sweeps the United States.

Coronavirus cases in the United States surged by at least 120,276, according to a Reuters tally, the second consecutive daily record rise as the outbreak spreads in every region.

The United States set a one-day record for new coronavirus cases with at least 102,591 new infections and as hospitals in several states reported a rising tide of patients, according to a Reuters tally.

A roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19 shows that New York City first responders have high Covid-19 rates.