Betacoronavirus Infection Outbreak, São Paulo, Brazil, Fall 2023

Abstract

We report a human coronavirus OC43 infection outbreak in hospitalized patients and healthcare workers in São Paulo, Brazil, occurring after SARS-CoV-2 cases disappeared. Infection was associated with healthcare workers in 5 (29.4%) patients. Routine surveillance including a respiratory virus panel can improve coronavirus detection in both healthcare professionals and patients.

Keywords

• betacoronavirus
• coronavirus
• human coronavirus
• viruses
• COVID-19
• outbreak