COVID-19: Serial Interval

  • A recent research has shown that China is able to contain Covid-19 due to its ability to manage the serial interval and now it has gone over a month without any locally transmitted Covid-19 cases.
  • The serial interval is the duration between symptom onset of a primary case and symptom onset of secondary cases (contacts) generated by the primary case. In simple terms, the serial interval is the gap between the onset of Covid-19 symptoms in Person A and Person B, who is infected by Person A.The term was first used by British physician William Pickles, who had initially referred to ....
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