China has made COVID-19 anal swab tests mandatory for almost all international arrivals.
The Chinese National Health Commission claimed that the tests are more accurate compared with the standard nasal or throat swabs and have been using them since January.
Chinese state media said that according to Li Tongzeng, a respiratory disease expert, virus traces stay longer in fecal samples than they do in the nose or throat.
“If we add anal swab testing, it can raise our rate of identifying infected patients,” said Li.
Testing centers would be reportedly placed in every airport to screen new arrivals.
The Japanese Government recently asked the Chinese government to find alternatives to the tests because of the “psychological pain” their citizens were experiencing.
Anal swabbing takes 10 seconds, using a saline-soaked cotton swab inserted three to five centimeters into the rectum and rotated several times to get a sample.
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