superspreading
Noun
Meaning
(medicine, epidemiology) The spreading of an infection to many other people from a single individual.
Synonym of superwetting
Source: en.wiktionary.orgExamples
Coronavirus outbreaks — like one in East Lansing, Mich., this summer that infected 187 people — have been traced to superspreading gatherings at bars and restaurants.
That extra step, known as backward tracing, exploits a weak spot of the virus — the tendency for infections to occur in clusters, often at superspreading events.