1. Superspreading defines the diseaseThe researchers found that positive cases among contacts were concentrated among a minority of cases.
Over 70% of index cases - ‘original’ or primary cases found through testing - infected no further people, while fewer than 10% of index cases were responsible for nearly 60% of further infections.Superspreading as an event is a common misconception, Laxminarayan said. “Superspreading refers to the fact that some proportion of people transmit much more than other people.
It doesn’t require an event."The study confirms other literature so far in superspreading, said Gagandeep Kang, one of India’s foremost viral infectious disease scientists. “Superspreading is not about the virus but about the.