Negative rapid test, then COVID positive?
Questions are being raised about the efficacy of Covid-19 rapid tests and whether they provide true confidence for people possibly exposed to the Omicron variant of COVID-19. The consensus seems…
Risk some rapid tests may not detect Omicron: UK expert
Rupert Beale, in the LRB, says if the Omicron mutation appears to be ‘milder’ than other variants we’ve seen so far – that’s usually because of partial immunity in previously…