Richard Harris

Antibody tests can identify people who have been previously exposed to the coronavirus. But false positive results are a concern. Performing two different tests could reduce errors.

NPR's economics and science correspondents discuss the latest in the nation's response to the coronavirus pandemic.

The number of COVID-19 cases and deaths in the U.S. is still on the rise, but there are glimmers of hope. A vaccine developer has reported some encouraging, though early results.

Public health experts have testified before a Senate health committee on Tuesday. House Democrats are proposing a plan for the next coronavirus relief bill.

The White House has ramped up the coronavirus testing for its staff. At the same time, President Trump has voiced doubts about the ability of testing to stop the spread of the virus.

Scientists don't know whether people who have been exposed to the coronavirus will be immune for life, or if it can infect us again and again, like the common cold.

Scientists are now trying to determine whether antibodies in the blood will protect people from contracting the coronavirus again. This question is crucial for the development of a vaccine.

These tests are designed to identify people who have been previously exposed to the virus. The Food and Drug Administration is now telling manufacturers they'll have to meet minimum standards.

What types of tests are available for the coronavirus, and how accurate are they? Here's a handy guide to the field.

In the last month, the coronavirus pandemic has claimed the jobs of one in six workers in the United States. NPR economic, science and congressional correspondents discuss the latest coronavirus news.

NPR politics and science correspondents relay the latest news in the response to the coronavirus epidemic in the United States.

NPR economics, science and politics correspondents relay the latest in the response to the coronavirus epidemic in the United States.

NPR political and science correspondents break down the latest in the response to the coronavirus pandemic in the United States.

Antibody tests to detect past exposure to the coronavirus will soon be everywhere. But even the best ones can provide wrong answers surprisingly often — and give false assurance.

NPR science and politics correspondents relay the latest news in the United States response to the coronavirus epidemic.

NPR economics, national and science correspondents relay the latest news in the response to the coronavirus epidemic in the United States.

NPR politics, science and national correspondents relay the latest news on the response in the United States to the coronavirus epidemic.

NPR science and politics reporters and a Wisconsin Public Radio correspondent relay the latest updates in the United States response to the coronavirus epidemic.

NPR science and politics correspondents relay the latest updates in the United States response to the coronavirus epidemic.

A study by the Centers for Disease Control and Prevention estimates that between 5.7% and 20% of children with COVID-19 end up in the hospital, with 2% or fewer needing intensive care.