Tonight, could it be a medical breakthrough?

America's top infectious disease doctor praises a possible treatment for coronavirus as new hope.

Because what it is proven is that a drug can block this virus.

This is very optimistic.

Will the FDA fast-track its use for hospitalized patients? The news sent the

stock market soaring. But there are still big economic worries. The U.S. economy shrinks

as consumer spending plummets, and it may only get worse. Across America, food lines stretch,

stimulus checks stolen from mailboxes, and why some make more money by staying on unemployment than going back to work.

Massive crowds. The mayor of New York City threatens mourners with arrests as the NYPD is sent in to break up the funeral of a rabbi who died of coronavirus.

Union's beef with Trump, strong backlash against the president's order that forces workers back to meat plants and what might soon disappear from grocery store shelves.

Strange symptoms, from dangerous rashes in children to frostbite toes, the never before seen

symptoms of this killer virus. Americans stranded. Workers stuck on cruise ships, some for more

than 60 days, why the government won't let them into their own country. And we end tonight with an iconic Washington restaurant

facing its toughest battle, the fight to stay open.

This is the CBS Evening News with Nora O'Donnell,

reporting from the nation's capital.

Good evening and thank you for joining us.

We're going to begin with breaking news, a potential breakthrough in the treatment of coronavirus.

100 days after the first person was diagnosed right here in the U.S., the country's top infectious

disease doctor says tonight there is clear evidence.

An experimental drug is showing results in slowing COVID-19.

Dr. Anthony Fauci says early trials show the drug called remdesivir is capable of blocking the virus. And while it is by no

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