Rapid Antigen tests vs. PCR tests

If you took advantage and signed up for a free government-sponsored at-home Covid Test, it should have arrived by now (or will be soon).  The Biden administration said it would send 500 million rapid tests to Americans this month via the U.S. Postal Service after the Omicron variant strained access to in-person and at-home tests. (If you haven't yet, you should know that each household is eligible for four free […]