Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

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 ...

After prime minister Boris Johnson declared an “omicron emergency” on Sunday night, as the new variant of Covid-19 continues to spread rapidly, people have rushed to order lateral flow tests online.

Lateral flow tests (LFTs) are widely used across healthcare, food safety and environmental monitoring, providing rapid, on-site results. But challenges with sensitivity, flexibility and usability ...

The team at Rapid Test & Trace began petitioning government to make self-testing free for the public in late 2020. They aggregated public healthcare professionals and medical specialists to help ...

Facing long lines and shortages of home test kits during the latest surge, people are searching for answers about Covid tests. By Tara Parker-Pope Dani Blum and Nicole Stock Testing is essential to ...

When should you do a lateral flow test and when to take a PCR? As Coronavirus numbers rise in Scotland, you might want to make sure you aren't positive and at risk of passing it on to your loved ones, ...

The British government just announced that fully vaccinated (and most under-18) travelers arriving in the United Kingdom (U.K.) from non-red-list countries will soon be able to use cheaper lateral ...