Monitoring of Individuals with Risk of Exposure to Ebola Virus Disease - United States, November 3, 2014-March 8, 2015

Summary of Notifiable Infectious Diseases and Conditions — United States, 2014

“…In October 2014, all airline passengers who had traveled to Liberia, Sierra Leone, and Guinea within the previous 21 days were diverted to five airports for admittance to the United States using enhanced screening methods (19). At risk travelers and health care workers were required to complete a 21-day active monitoring period (17,18). In addition, CDC responded to inquiries from state and local health officials and health care providers and facilitated testing of persons under investigation (20,21).…”

“…In response to the concern about importation of EVD to the United States, national and state level surveillance systems were enhanced in 2014 (14)(15)(16)(17)(18). In October 2014, all airline passengers who had traveled to Liberia, Sierra Leone, and Guinea within the previous 21 days were diverted to five airports for admittance to the United States using enhanced screening methods (19).…”

Active Monitoring of Travelers Arriving from Ebola-Affected Countries — New York City, October 2014–April 2015

“…CDC also recommended "direct active monitoring" of persons with a higher risk for Ebola virus exposure, including health care workers who had provided direct patient care in Ebola-affected countries. Direct active monitoring required direct observation of the person being monitored by the local health authority at least once daily (5). This report describes the operational structure of the NYC Department of Health and Mental Hygiene's (DOHMH) active monitoring program during its first 6 months (October 2014-April 2015) of operation.…”

Monitoring of Persons with Risk for Exposure to Ebola Virus — United States, November 3, 2014–December 27, 2015

“…Monitoring of persons with risk for exposure to Ebola included active monitoring (daily reporting of temperature and other symptoms to public health officials) and direct active monitoring (daily reporting of temperature and other symptoms and daily direct observation by public health officials) (2). CDC defined three risk levels for the purpose of guiding monitoring and movement restrictions: "low but not zero risk" (low risk); "some risk," and "high risk."…”

“…CDC defined three risk levels for the purpose of guiding monitoring and movement restrictions: "low but not zero risk" (low risk); "some risk," and "high risk." During November 3, 2014-March 9, 2015, reports to CDC consisted of individual-level daily submissions for all persons under monitoring from the included jurisdictions (2). After March 9, 2015, individual-level daily reporting was only submitted for symptomatic persons and persons with gaps in reporting exceeding 48 hours.…”