coronavirus are most likely to be highly infectious for nine days after the onset of symptoms, a new study has found, reinforcing the need for self-isolation for at least 10 days.The peer-reviewed research, published in the Lancet medical journal on Thursday, analyzed hospitalized patients who had tested positive for the COVID-19 disease and found that the live virus, which causes infection, was not detected nine days after the symptoms started.
How long does coronavirus immunity last? Some studies suggest months “Our findings are in line with contact tracing studies which suggest the majority of viral transmission events occur very early, and especially within the first five days after symptom onset, indicating the importance of.