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 ...

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The latest surveillance data from the UK Health Security Agency (UKHSA) has revealed that Covid prevalence is at a medium but ...

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) 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 ...

Can you test positive for covid-19 without being infectious? Even if you have had three doses of coronavirus vaccine, a positive lateral flow test (LFT) result means you are infectious to other people ...

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 ...