What happens if you’re exposed to Covid and can’t find a test?
04:00
Demand for Covid-19 tests is soaring across the country as millions of Americans prepare to see their families over the holidays, leading to a nationwide shortage of at-home tests. NBC News medical contributor Dr. Natalie Azar explains what to do if you can’t get a hold of an over-the-counter Covid-19 test in time for the holidays. Dec. 20, 2021
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