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

The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with symptoms asking: Is it allergies or a cold? COVID? Something else? Since ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

Seemingly expired COVID test kits continued to prove useful as health officials advised New Yorkers to check for extended expiration dates on the at-home respiratory virus fighting tool. The COVID ...