After a recent COVID-19 exposure, Dr. Christina Astley tested positive on an at-home test—but just barely. The line signifying a positive result was so faint that Astley, an endocrinologist at Boston ...

A London-based doctor is helping to clear up confusion around false positive Covid lateral flow tests - and has shared some advice on what to do if you’re unsure about your result. The rapid tests are ...

People should take lateral flow tests just before meeting up with others because Omicron can become infectious "within hours", a public health expert has warned. Irene Petersen, a professor of ...

Scientists and public health experts built the COVID-19 pandemic response on years of experience navigating infectious disease outbreaks. Although lateral flow immunoassays have been central to ...

The newer versions of lateral flow tests (LFTs) instruct the user to swab the nose only when testing for Covid – and the change came as a relief for those who hated doing the gag-inducing throat and ...

Lateral flow (LFD) tests are as likely to detect Omicron as other variants of coronavirus, according to the Health Security Agency (HSA). Dr Jenny Harries, HSA chief executive, said: “Our data shows ...