according to a new study, 80 percent of coronavirus cases are asymptomatic. ... The asymptomatic people were contagious for only three to 12 days, compared to 16 to 24 days among the patients who showed symptoms.
Т.е. учитывая что asymptomatic больше, и главное они незаметны, они в сумме заразны больше
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https://www.msn.com/en-us/health/health-news/this-is-who-is-transmitting-80-percent-of-coronavirus-cases-study-says/ar-BB14W7y4
according to a new study, 80 percent of coronavirus cases are asymptomatic.
... The asymptomatic people were contagious for only three to 12 days, compared to 16 to 24 days among the patients who showed symptoms.
Т.е. учитывая что asymptomatic больше, и главное они незаметны, они в сумме заразны больше