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Scrubbing your doorknobs may not be the best defense against the virus, but don’t let that stop you

Photo: Justin Paget/Getty Images

Safety guidelines seem to morph by the hour. Some measures, like masks, have taken on new urgency, but others that once seemed essential now feel less so. Hand-washing remains vital, but mounting evidence suggests that we probably don’t need to rub our groceries with cleaning wipes anymore.

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