Antibody Responses after Classroom Exposure to Teacher with Coronavirus Disease, March 2020

Abstract

After returning from Europe to the United States, on March 1, 2020, a symptomatic teacher received positive test results for severe acute respiratory syndrome coronavirus 2. Of the 21 students exposed to the teacher in the classroom, serologic results suggested past infection for 2. Classroom contact may result in virus transmission.

Keywords

• 2019 novel coronavirus disease
• coronavirus disease
• COVID-19
• severe acute respiratory syndrome coronavirus 2
• SARS-CoV-2
• viruses