Infected people, whether asymptomatic or not, carry as much virus as they do.

In the study, Li Chengcai of Shuntianxiang University School of Medicine analyzed swab samples from 303 isolated people collected at an isolation point from March 6-26.
group ranged in age from 22 to 36 years old, with two-thirds female.
of all persons with symptoms, 193 were asymptomatic and 110 were asymptomatic, 89 of whom had not experienced any symptoms.
after eight days of isolation, the researchers sampled the men at regular intervals and found that their upper and lower respiratory samples contained a significant amount of viral genetic material.
researchers conducted 1,886 tests and found that those who did not have any symptoms at the time of the test, including those who later never developed symptoms, carried as many pathogens as those with symptoms.
, the researchers also found that although asymptomatic people clear the virus faster than those with symptoms, the new coronavirus continues in their bodies for some time.
, the neutral time for asymptomatic patients to turn negative was slightly lower than for patients with symptoms, 17 days and 19.5 days, respectively.
researchers say the findings themselves could help people understand which infected people are truly asymptomatic, rather than in a "pre-symptom" state.
researchers said their study could not "determine how much role asymptomatic patients play in the spread of the new coronavirus."
Because in theory, the same number of viruses in both noses and throats means that the same virus can be transmitted, but asymptomatic people are less likely to have a severe cough, which can spread the virus droplets into the air.
, a cytobiologist at the University of Reading in the UK, points out that while asymptomatic people are at risk of spreading the virus, people who develop symptoms of "coughing and spewing the virus" are at higher risk of spreading the virus.
Preston, an infection biologist at the University of Bath, said the risk of contracting the new coronavirus from anyone depended on a number of factors, including the depth and speed of the infected person's breathing, distance from the transmitter, and whether he was in a closed environment.
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