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.

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

A decade ago Willy Ssengooba began crisscrossing Uganda, training health-care workers on how to use a new machine to detect tuberculosis. The deadly lung disease infects around 90,000 people in the ...

Many people will have experienced being unwell with an unknown infection and having to undergo multiple tests to determine the culprit. This sequential process of elimination can be time-consuming and ...

COLUMBUS, Ohio — You've heard a lot of talk about genomic sequencing: It's the process used in labs to detect variants of COVID-19 from PCR test samples. Some social media users falsely claim it's ...

This new testing process is based on a different technology known as loop-mediated isothermal amplification (LAMP), which is similar to PCR in that it identifies viral material through a process of ...

A new biotechnology company in McKinney has ambitions to become the world’s first fully integrated platform for polymerase chain reaction (PCR) testing — the same technology behind a common COVID-19 ...

Free COVID-19 test kits are available to American households via the United States Postal Service. People can expect to see different testing brands arrive in their mail. The Biden administration ...