https://www.the-sun.com/news/4512129/china-anal-swabs-covid-mandatory-winter-olympics/
5cm, and the international Olympic delegations will play along with this?
All because:
When the tests were proposed in March, Li Tongzeng, a respiratory disease medic, told state media that Covid traces stay detectable for longer in poo samples than they do in the nose or throat.
Isn’t COVID most contagious earlier in the infection period?
Interestingly enough, for Omicron, some are suggesting saliva tests and/or swabbing the back of the throat picking up Omicron sooner than nasal/nasopharyngeal swabbing, because Omicron seems to replicate most/first in the throat (compared to earlier strains where the same was said about the nose and why nasal swabbing was the prevalent testing method.