What's the Deal With COVID Testing Now? Doctors Explain When to Test, How to Get Them and More

A PCR test detects the actual genetic material of the virus and involves a step that amplifies the presence of any material ...
来自MSN

Where to get at-home COVID tests in 2025, plus how to use them and latest symptoms

New York Post may be compensated and/or receive an affiliate commission if you buy through our links. Featured pricing is subject to change. COVID-19 — it’s still a thing, which means it’s always a ...