When he was 9 years old, Salk was inoculated by the polio vaccine developed by his father, Dr. Jonas Salk. Today, he is an optimistic about a COVID-19 vaccine but offers a warning.

NPR's analysis shows just how stark the impact has been on African-Americans and Latinos. Experts say the pandemic will go on — for everyone — unless we direct resources where they're most needed.

The so-called passports have been floated as a way to get people who've recovered from COVID-19 back to work safely. But a Harvard professor says creating an "immunodeprived" status is unethical.

CDC chief Robert Redfield says that earlier testing for the coronavirus would have been like "looking for a needle in a haystack." But other health experts dispute his assertion.

A federal official says the White House had not approved the initial version, which included the warning, "The act of singing may contribute to transmission of COVID-19."

Dr. Ming Lin was let go in March from a hospital in Bellingham, Wash., after posting criticisms and suggestions on social media. The ACLU is helping him sue for damages and job reinstatement.

The next round of coronavirus aid will be narrowly focused and will not extend federal unemployment assistance, the Senate majority leader says.

The era of colonial powers ended in the 20th century. But the legacy lingers on and can be seen in the way the West has reacted to the coronavirus crisis. Although there are some hopeful signs, too.

Former gymnastics coach Valorie Kondos Field led her team to victory by creating a supportive environment, instead of a cutthroat one. The impact of that decision, she says, echoes far beyond the gym.

Relaxed regulations in response to the pandemic means more access to addiction treatment medications. But recovery programs are accepting fewer people, and the danger of overdose remains high.