Academic science labs around the U.S. are rapidly gearing up to run coronavirus tests for patients in need. They're drawing resources from across campus: technology, chemicals and a formidable workforce — graduate students.

"Normally, when people say they need someone in an emergency, it's not a science grad student," says Katie Cabral, a bioengineering Ph.D. student at the University of California, San Francisco. "But in this case, my particular qualifications are exactly what is needed."

The total number of coronavirus deaths in the U.S. has doubled from 1,000 fatalities over the course of a month to more than 2,000 in just two days. As of Sunday morning, more than 2,100 people in the U.S. have died from the virus and more than 124,000 people in the U.S. are infected, according to data from Johns Hopkins University. The exponential growth in U.S.

Animal shelters across the country have had to close their doors as part of the effort to slow the spread of the coronavirus. Fearing the arrival of new litters and abandoned animals with no one to adopt them, they are racing to empty kennels before they are forced to resort to euthanasia.

After Bernie Sanders suffered three straight weeks of big losses across the country, the Vermont senator returned home to "assess his campaign."

A massive, year-long science expedition currently underway on an icebreaker in the Arctic Ocean is having to significantly alter its plans due to the Coronavirus pandemic.

Updated at 9:59 p.m. ET

While tens of millions of U.S. households continue to fill out 2020 census forms on their own, the coronavirus pandemic is forcing the Census Bureau to suspend field operations for the once-a-decade head count for two more weeks until April 15.

With coronavirus cases continuing to climb and hospitals facing the prospect of having to decide how to allocate limited staff and resources, the Department of Health and Human Services is reminding states and health care providers that civil rights laws still apply in a pandemic.

States are preparing for a situation when there's not enough care to go around by issuing "crisis of care" standards.

But disability groups are worried that those standards will allow rationing decisions that exclude the elderly or people with disabilities.

The World Health Organization says the virus that causes COVID-19 doesn't seem to linger in the air or be capable of spreading through the air over distances of more than about 3 feet.

But at least one expert in virus transmission said it's way too soon to know that.

Updated at 10:32 p.m. ET

After broaching the possibility of quarantining New York, Connecticut and New Jersey, President Trump backtracked late Saturday, saying a "quarantine will not be necessary."

Earlier in the day, the president said he was "looking at" quarantining New York, New Jersey and parts of Connecticut because they had developed as "hot spots" of the coronavirus outbreak.