COVID-19: How do lateral flow tests work and how will England's twice-weekly programme be operating? Lateral flow tests are being used in a bid to prevent COVID-19 outbreaks due to asymptomatic cases.

Flow processes like those in Covid antigen and pregnancy tests have become a major area of development in the pharma industry ...

Those travelling from and returning to England will need to take a series of coronavirus tests – but what is the difference between a PCR and Lateral Flow test?

Covid testing rules are changing across the UK so symptomless people who get an initial positive result on their lateral flow test won't need a PCR test to begin their period of self-isolation.

1 A faint positive lateral flow test result is shown in the image above Credit: Sun Online You no longer have to get a follow-up PCR test if you test positive on a lateral flow with no symptoms.