Coronavirus Benjamin Althouse Washington virus covid-19 pandemic infection Coronavirus Benjamin Althouse Washington

Super-spreader events are key driver in Covid-19 pandemic

coronavirus SARS-CoV-2 does not fan out evenly across the population, but spreads at the extremes in an almost "all or nothing" pattern.Many studies now suggest the majority of people with Covid-19 barely pass it on to anyone else, but when infections happen they can be explosive and supercharge an outbreak.Then the virus can infect "10, 20, 50, or even more people", said Benjamin Althouse, research scientist at the University of Washington's Institute for Disease Modeling.This corresponds to the "80/20 rule" of epidemiology, where 80 percent of cases come from only 20 percent of those infected, but Althouse said this coronavirus may be even more extreme, with 90 percent of cases coming from potentially just 10 percent of carriers.This..

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