Largest study of COVID-19 transmission highlights essential role of super-spreaders

A healthcare worker checks people for COVID-19 symptoms in the Dharavi slum in Mumbai, India, in July. <span class=(Rafiq Maqbool / Associated Press)" src="https://s.yimg.com/ny/api/res/1.2/TjtDwzJRecwunP8TuX5jBQ--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTQ0OS4wMTc4NTcxNDI4NTcxNw--/https://media.zenfs.com/en/la_times_articles_853/5c8e11f1f3acea4670a05b3dfe5bdb6b" />
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