Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

A study conducted by RCSI has demonstrated that a PCR test using saliva to test for COVID-19 is almost as accurate as the standard nose and throat swab. The saliva screening represents a less invasive ...

A video advocating for an airline that vows to resist any future COVID-19 restrictions such as requirements to be vaccinated, wear a face mask, or provide a negative COVID-19 test, contains false ...

South Korean scientists have developed a rapid PCR test that can detect the Omicron variant of the coronavirus in just four hours. The new test kit that can detect the new and highly transmissible ...

Editor's note, March 7, 2023: The recommendations in this article are out of date and will not be updated going forward. Should you feel sick, we recommend talking to a health care professional.

At the start of the SARS-CoV-2 pandemic people who felt unwell had to join long queues for lab-based PCR tests and then wait for two days to learn if they were infected with the COVID-19 virus or not.

Robust sterility testing is essential to ensure the safety of cell therapies. However, traditional culture-based analysis takes several weeks to confirm a therapeutic’s microbial contamination, which ...