In the 1990s, a South African nurse walked into a hospital with an unusual problem: Her sweat was red. The hue of her perspiration confounded
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In the 1990s, a South African nurse walked into a hospital with an unusual problem: Her sweat was red. The hue of her perspiration confounded
Read moreEditor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. Tests to detect antibodies to SARS-CoV-2 are most sensitive among people
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