LA school district study finds 50% of transmissions
occur from asymptomatic persons

SARS-CoV-2-School-Reopening

The Los Angeles Unified School District launched an ambitious program in August 2020 to test more than 700,000 students and staff for SARS-CoV-2. The district is paying a private contractor to provide next-day, early-morning results for as many as 40,000 tests daily and as of October 4, 2020, a total of 34,833 people had been tested at 42 sites.

At a Glance

40000
tests

Los Angeles Unified School District is providing next-day, early-morning results for as many as 40,000 tests daily

50 %
50% of transmissions occur from asymptomatic persons making screening testing critical
19
 days
LAUSD K–12 schools would deplete the supply of 150 million rapid antigen tests in 19 days if most students and staff were tested one to two times per week

Source: Rafiei, Y. & Mello, M. "The Missing Piece — SARS-CoV-2 Testing and School Reopening." December 3, 2020. N Engl J Med 2020; 383:e126. DOI: 10.1056/NEJMp2028209 https://www.nejm.org/doi/full/10.1056/NEJMp2028209

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