When the coronavirus pandemic first took hold, trying to get a COVID test was like trying to get Glastonbury tickets. Hard to come by is an understatement. But now, well over a year on, a key part of ...

Abundant, free, rapid tests, many experts argue, are vitally important for mitigating what we know is fast becoming an endemic virus — Covid-19. But that is easier said than done. Between supply ...

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 ...