There was comprehensive analysis done after the 2002 SARS outbreak and they basically came to this conclusion. https://en.wikipedia.org/wiki/Superspreading_eve

There was comprehensive analysis done after the 2002 SARS outbreak and they basically came to this conclusion. https://en.wikipedia.org/wiki/Superspreading_event https://en.wikipedia.org/wiki/Superspreading_event > Some cases of superspreading conform to the 80/20 rule, where approximately 20% of infected individuals are responsible for 80% of transmissions, although superspreading can still be said to occur when superspreaders account for a higher or lower percentage of transmissions.