Watch 6:35
What we know about COVID-19 antibodies — and what we don’t
Scientists say antibody testing could be a key tool in the fight against the novel coronavirus. Still, many questions remain about the accuracy of antibody testing. The Food and Drug Administration has tried to crack down on inaccurate tests, but…
Watch 5:15
New COVID-19 model shows why early action matters
A newly released analysis of coronavirus' spread in the U.S. suggests a haunting hypothetical: that if social distancing and stay-at-home orders had been implemented only a week earlier, more than 30,000 lives might have been saved. But that alternate scenario…
Watch 6:54
A virologist answers viewer questions about coronavirus transmission
During this unprecedented crisis, we all have questions -- and the NewsHour is turning to experts for answers. In this edition of Ask Us, virologist Angela Rasmussen of Columbia University joins Amna Nawaz to take viewer questions on transmission of…
Watch 8:23
What computer-based models can tell us about coronavirus — and what they can’t
For months, scientists and public officials have relied upon computer-based models to try to predict the trajectory or the coronavirus outbreak. But models are not crystal balls, and all of them involve human assumptions. Science correspondent Miles O’Brien reports on…
Amid the novel coronavirus pandemic, epidemiologists warn that without sufficient protective measures, the number of severe virus cases will spike sharply, which would overwhelm the health system. The practice of social distancing is intended to slow the rise of cases…
Even healthy corals carry viruses, like herpes. Are these viruses making them sick? Science Nation explores the microorganisms that are killing coral reefs around the world.
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