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More than 70% of US household COVID spread started with a child, study suggests

According to a recent study, over 70% of nearly 850,000 US household COVID-19 transmissions originated with a child. The researchers concluded that children had an important role in the spread of SARS-CoV-2, and that in-person school also resulted in substantial spread.

Tseng Y, Olson KL, Bloch D, Mandl KD. Smart Thermometer–Based Participatory Surveillance to Discern the Role of Children in Household Viral Transmission During the COVID-19 Pandemic. JAMA Netw Open. 2023;6(6):e2316190. DOI: 10.1001/jamanetworkopen.2023.16190 https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2805468