Superspreading Events Without Superspreaders: Using High Attack Rate Events to Estimate N o forAirborne Transmission of COVID-19

  title={Superspreading Events Without Superspreaders: Using High Attack Rate Events to Estimate N o forAirborne Transmission of COVID-19},
  author={M. G. Prentiss and A. Chu and K. Berggren},
We study transmission of COVID-19 using five well-documented case studies : a Washington state church choir, a Korean call center, a Korean exercise class, and two different Chinese bus trips. In all cases the likely index patients were pre-symptomatic or mildly symptomatic, which is when infective patients are most likely to interact with large groups of people. An estimate of N 0 , the characteristic number of COVID-19 virions needed to induce infection in each case, is found using a simple… Expand
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