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This analysis of preliminary case data discusses epidemiology and public health response to a second COVID-19 outbreak in Beijing, China, that occurred in June–July 2020. At the time of the first detected case on June 11, active and passive surveillance was already ongoing with requirement that a symptomatic person with positive testing be reported within 2 hours of diagnosis and investigated within 24 hours of reporting. Response plans included stringent isolation of cases and quarantining of close contacts. This particular outbreak was traced to a local market, which was closed on June 12. No further cases were detected after July 5.
Early detection and rapid public health response to a secondary COVID-19 outbreak in Beijing, including stringent contact tracing and quarantining efforts as well as closing the nidus of the outbreak, underscore the importance of these efforts in containing transmission of this infection.
– Amy S. Korwin, MD
This abstract is available on the publisher's site.
Since its initial outbreak in Wuhan, China, between December 2019 and March 2020,1-4 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has quickly spread worldwide. Although the epidemic abated in China, a second outbreak began in June 2020 in Beijing. We assessed preliminary Beijing outbreak data and present a timeline of the investigation and public health response.