What to Know Now About COVID as It Surges Again: 'These Case Numbers Are a Severe Undercount' - Yahoo Life

An infectious disease epidemiologist covers everything from when to get a booster shot to whether people can get reinfected

Callaghan O'Hare/Bloomberg via Getty COVID testing It's become a troublingly familiar refrain, but COVID-19 is once again surging in the U.S. After the major omicron spike over the winter months, th… [+6178 chars]

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