Is there asymptomatic transmission of the coronavirus disease?
Recent epidemiologic, virologic, and modeling reports support the possibility of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission from persons who are presymptomatic (SARS-CoV-2 detected before symptom onset) or asymptomatic (SARS-CoV-2 detected but symptoms never develop)
Someone who does not have Covid develop can transmit Covid.


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dumb someone that has the virus but tests negative still transmits 