A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

During the COVID-19 health emergency, two strategies for detecting coronavirus infections were commonly adopted around the world. Part of Nature Outlook: Medical diagnostics Initially, in countries ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

Viral TikTok videos showing teenagers hacking rapid COVID-19 tests by inserting sodas and other acidic solutions into the tests’ inlet caused quite a stir in 2021, especially in the UK, where these ...