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What do Neanderthals have to do with medicine? More than enough, it turns out, to earn Svante Pääbo the Nobel Prize in Medicine for sequencing the Neanderthal genome. It may sound more like a feat worthy of an anthropology prize, but scientists are a...

People are worried about the coronavirus again. So it is understandable that public health officials are feeling pressure to recommend Covid-19 booster shots soon, before we find out the hard way when the vaccines wear off. Pfizer Inc contributed by ...

The Delta variant is the new pandemic scare story. Its spread into the United States has not led to a surge in deaths or packed hospital wards, but the news of its existence rained on the Fourth of July parades. Public-health specialists have respond...

A clutter of unhelpful pandemic rules is wearing people down. One-way systems in stores, outdoor mask mandates, ceaselessly cleaning groceries and packages — should these things be our top priorities for limiting the spread of Covid-19? Harvard’s Jos...