The latest health news
Her husband collapsed just before reaching the top of the stairs in their small one-bedroom house in São Paulo, Brazil. Frantic, Thais Andrade grabbed the portable pulse oximeter she had …
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It’s impossible to say how the coronavirus will continue to evolve. Those changes, after all, are a result of random mutations. But there are some fundamental principles that explain why …
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In the eight years leading up to the Covid-19 pandemic, one of the subtypes of influenza A viruses started acting bizarrely. Flu viruses continuously evolve, to evade the immune defenses …
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