Anal swab tests

FILE PHOTO: A medical worker tests swabs for the novel coronavirus at the Microbiology department of North Devon District Hospital, following the outbreak of the coronavirus disease (Covid-19), in Barnstaple, Britain, June 3, 2020. REUTERS/Henry Nicholls
Coronavirus chronicle

Tokyo asks China to stop anal swab tests for Covid-19 on Japanese citizens

Some Chinese cities are using samples taken from the anus to detect potential Covid-19 infections as China steps up screening to make sure no potential carrier of the new coronavirus is missed