As a result of the rapidly-spreading Omicron variant, last week saw the biggest spike in Covid case numbers since records began in March 2020, with 183,037 positive tests reported in the 24 hours to ...

In the UK over the last few weeks, there have been a growing number of reports of people testing positive for COVID on a lateral flow test (LFT) but then negative on a polymerase chain reaction (PCR) ...

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 ...

The government has halted Covid-19 testing at a private lab in Wolverhampton after at least 43,000 people were incorrectly given a negative PCR test result. The differences between PCR and lateral ...

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 ...

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 ...

Editor's Note: Article updated with latest information on availability of tests. People faced problems getting hold of the tests last week after a huge surge in demand prompted the Government website ...

Andrew Lee has previously received research funding from the National Institute for Health Research. He is a member of the UK Faculty of Public Health and the Royal Society for Public Health. Just as ...

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 ...

A Covid-19 lateral flow test showing a negative result. Routine testing to identify those infected followed by efficient contact tracing, and supported isolation is still the most effective public ...

Eligible fully vaccinated passengers arriving in England from countries not on the UK's red list can take a cheaper lateral flow test instead of a PCR from today [Sunday 24 October]. Lateral flow ...