Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

Polymerase chain reaction (PCR) is a fundamental molecular biology tool that scientists use to amplify and analyze genetic material, such as DNA and RNA. PCR involves the enzymatic amplification of ...

Lateral flow tests (LFTs) are quick and easy to take at home, giving a result within 20-30 minutes. They look for proteins on the surface of the virus, which are easily detected. However, they have a ...

Polymerase chain reaction (PCR) test kits for COVID-19 use what’s known as gene cloning – not reproductive cloning – to detect the presence or absence of the SARS-CoV-2 virus, but social media posts ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

During the coronavirus pandemic, polymerase chain reaction, or PCR, testing has been an invaluable tool to diagnose new COVID-19 cases. But some social media users are casting doubt on the test's ...