From reinfection risks to the leading hypotheses on the causes behind long COVID, learn more about this potentially debilitating condition in these stories written for WebMD.
Read MoreI wrote more words than I planned looking into whether you can get COVID-19 through the ventilation in your home/building, what happened in a Hong Kong apartment building/complex in 2003 and this year, what experts think, why there's no "short answer", and more.
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