The rules on when to take a PCR test and when to take a lateral flow have changed in England, as the UK hits more than 142,000 daily Covid cases. From January 11, those without symptoms do not need to ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

In a recent review published in Nature Reviews Bioengineering, researchers assessed the changing landscape of lateral flow tests (LFTs), and the development of next-generation LFTs based on lessons ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.