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 ...

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 ...

As a result of the rapidly-spreading Omicron variant, Covid case numbers have continued to rise across the UK in record numbers, with 120,821 new cases reported in the last 24 hours. Now, the prime ...

The government will no longer provide free universal Covid-19 testing for most of the public from 1 April, as part of its plan for living with the virus. While people can currently still order lateral ...

More than 14 million coronavirus tests have been taken in the UK in the past year, of which around 60% were polymerase chain reaction (PCR) tests, according to government data. But the use of lateral ...

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 ...

Lateral flow tests are more accurate than previously reported and cannot be compared directly to how PCR tests work, finds a new paper led by UCL researchers. The peer-reviewed paper, published today ...

Free Covid tests will now be available only to vulnerable groups and some NHS staff, as the government ends free testing for the majority of the population. From 1 April, most people in England will ...

LONDON – A huge row has broken out in the U.K. about the accuracy and utility of COVID-19 lateral flow tests (LFT) in screening asymptomatic people, as a pilot field study indicated sensitivity is ...

The Biden administration announced on Tuesday that 500 million free rapid COVID home tests would be mailed to U.S. households starting from next month, as the country battles its latest wave of the ...