Much more infectious (1000 times more virii in throat swabs) much earlier (peak before day 5 of infection) than SARS. Different viral sequences for virus in th

Much more infectious (1000 times more virii in throat swabs) much earlier (peak before day 5 of infection) than SARS. Different viral sequences for virus in throat vs virus in lungs. Virus seems to replicate even in cells with low ACE-2 expression. "no abrupt virus elimination at the time of seroconversion" - are antibodies not that effective?