Infectious disease researchers studying the novel coronavirus were able to identify how quickly the virus can spread, a factor that may help public health officials in their efforts at containment. They found that time between cases in a chain of transmission is less than a week and that more than 10 percent of patients are infected by somebody who has the virus but does not yet have symptoms.
from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/03/200316143313.htm
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