
COVID-19
Superspreaders, clusters and dead ends: Research reveals more about how coronavirus spreads
Research from Arizona and beyond suggests the coronavirus that causes COVID-19 can spread erratically, making some infected people “superspreaders” and others dead ends for transmission. This can create clusters or “micro-hotspots” – neighborhoods, schools, towns or other small geographic areas where the virus runs rampant – even while communities next door remain relatively unscathed. These