China subjects some travelers to anal swabs, angering foreign governments.

Some experts have questioned the need for the tests, saying that nasal and throat swabs are still the most effective because the coronavirus is contracted through the respiratory tract.Some experts have questioned the need for the tests, saying that nasal and throat swabs are still the most effective because the coronavirus is contracted through the respiratory tract.China, Coronavirus (2019-nCoV), Medicine and HealthRead More