People walk in Gantry Plaza State Park in New York City.
Mandatory Credit: Alexi Rosenfeld/Getty Images/File
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What you should know about the latest Covid-19 surge. A doctor explains
Recent data from the US Centers for Disease Control and Prevention suggests that a summer surge of Covid-19 could be underway, although not as significant as in past summers. By some measures, the number of coronavirus infections is rising, along with test positivity, emergency department visits and — most alarmingly — hospital admissions.

