>>>I am not a doctor but I would think there is some period of time between when symptoms physiologically begin, and when you feel you're having symptoms.
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>Most physicians consider symptoms to have been noted by the patient.
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>>>So I have to question the "no symptoms - zero transmission rate", because the latter is precise and the former is not.
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>Actually the former is precise also. Asymptomatic means the patient has not experienced symptoms. In the case of Ebola, the experts say that there's no virus in the bloodstream before onset of symptoms- meaning manifestations noticed by the patient.
Key word there being "Noticed".....I fail to understand how that's precise.