Most people who have coronavirus do not spread it to others - study

"Overall the majority (51.9%; 539/1,038) of SARS-CoV-2 infections in Hong Kong have been associated with at least one of 135 known clusters," the researchers wrote. https://www.jpost.com/health-science/most-people-who-have-coronavirus-do-not-spread-it-to-others-study-630534