As coronavirus outbreaks surge worldwide, research teams are racing to understand a crucial epidemiological puzzle — what proportion of infected people have mild or no symptoms and might be passing the virus on to others. Some of the first detailed estimates of these covert cases suggest that they could represent some 60% of all infections.
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The Food and Drug Administration late Friday approved the first coronavirus test that can be conducted entirely at the point of care for a patient — and deliver results in 45 minutes.
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…there’s a simple answer to the question: No, we’re not overreacting.
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