China has now started taking anal swabs to detect the Covid-19 infection claiming that it detects the presence of the virus more accurately than nasal swabs. China started using this procedure after a study done by Chinese authorities showed that the virus lasts longer in the anus than the respiratory tract. Some doctors in the country too backed the findings. The move has however caused massive outrage among a large section of doctors who are not convinced about the efficacy of the method.
China is currently seeing a resurgence of the virus in small pockets of the country ahead of Chinese New Year celebrations