Active Monitoring of Persons Exposed to Patients with Confirmed COVID-19 – United States, January-February 2020
Rachel M. Burke, PhD1; Claire M. Midgley, PhD1; Alissa Dratch, MPH2; Marty Fenstersheib, MD3; Thomas Haupt, MS4; Michelle Holshue, MPH5,6; Isaac Ghinai, MBBS6,7; M. Claire Jarashow, PhD8; Jennifer Lo, MD9; Tristan D. McPherson, MD6,10; Sara Rudman, MD11; Sarah Scott, MD6,12; Aron J. Hall, DVM1; Alicia M. Fry, MD1; Melissa A. Rolfes, PhD1 (View author affiliations)
In December 2019, an outbreak of coronavirus disease 2019 (COVID-19), caused by the virus SARS-CoV-2, began in Wuhan, China (1). The disease spread widely in China, and, as of February 26, 2020, COVID-19 cases had been …continued .
[Original Source: CDC]