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PBS News Hour
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 scientists aren’t even sure yet what a positive test means for immunity. John Yang reports.
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Israel's Prime Minister says the intense phase of the war in Gaza will end soon as Israel and the U.S. argue over weapons deliveries.
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After Claudia Sheinbaum becomes the first woman to win Mexico's presidential election, a look at what that means for U.S. relations.