Alliance for Pandemic Preparedness

April 22, 2021

SARS-CoV-2 Transmission Risk Among National Basketball Association Players, Staff, and Vendors Exposed to Individuals With Positive Test Results After COVID-19 Recovery During the 2020 Regular and Postseason

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  • Within a cohort of National Basketball Association (NBA) players, staff, and vendors (n=3,648) who maintained a closed environment in Florida from June to October 2020, 36 individuals (1%) had  persistently positive PCR results after recovering from SARS-CoV-2 infection. There were no transmission events associated with these persistently positive individuals, who were monitored for an average of 51 days, during which there were at least 1,480 person-days of direct exposure activities in indoor environments without masks. Antibodies were detected in 33 individuals (92%), and all remained asymptomatic following the initial persistent positive PCR result.

Mack et al. (Apr 22, 2021). SARS-CoV-2 Transmission Risk Among National Basketball Association Players, Staff, and Vendors Exposed to Individuals With Positive Test Results After COVID-19 Recovery During the 2020 Regular and Postseason. JAMA Internal Medicine. https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2779287