Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.
A dismantled health infrastructure leaves the U.S. incredibly vulnerable, warns infectious-disease expert Michael Osterholm.
If you partied hard or just enjoyed seeing family during the winter holidays (whether it was Christmas, Hanukkah, Kwanzaa, New Year’s Eve or all of them!), chances are you were exposed to their germs.
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