Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 22, Number 8—August 2016

Assessment of Community Event–Based Surveillance for Ebola Virus Disease, Sierra Leone, 2015

Ruwan Ratnayake1Comments to Author , Samuel J. Crowe1, Joseph Jasperse, Grayson Privette, Erin Stone, Laura Miller, Darren Hertz, Clementine Fu, Matthew J. Maenner, Amara Jambai, and Oliver Morgan
Author affiliations: International Rescue Committee, New York, New York, USA (R. Ratnayake); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S.J. Crowe, M.J. Maenner, O. Morgan); International Rescue Committee, Freetown, Sierra Leone (J. Jasperse, G. Privette, E. Stone, L. Miller, D. Hertz); Action contre la Faim, Kambia, Sierra Leone (C. Fu); Sierra Leone Ministry of Health and Sanitation, Freetown (A. Jambai)

Main Article

Table 1

CEBS for Ebola virus disease, Sierra Leone, 2015*

Surveillance variable No. (%)
Alerts, n = 12,126
Death 10,421 (86)
Sickness 1,646 (14)
Unsafe burial 7 (<1)
52 (<1)
Trigger events
>2 persons sick or dead in household 205 (2)
Sickness or death after unsafe burial 59 (<1)
Sickness or death in HCW 70 (<1)
Sickness or death in traveler 191 (2)
Sickness or death in contact of case-patient 36 (<1)
Unsafe burial or washing of corpse 7 (<1)
11,558 (95)
Suspected, probable, or confirmed 287 (2)
Tested and ruled negative 271
Confirmed 16
Did not meet case definition 10,173 (84)
Not escalated as an alert 774 (6)
Lost to follow-up§ 892 (7)

*This analysis was conducted during February 27–September 30, 2015. CEBS, community event–based surveillance; HCW, healthcare worker.
†Alerts for unusual events that did not fall under any of the first 6 events listed in the trigger events section of the table.
‡A total of 10,042 (86.9%) of these events were deaths in the community.
§No follow-up or missing information on follow-up.

Main Article

1These first authors contributed equally to this article.

Page created: July 28, 2016
Page updated: July 28, 2016
Page reviewed: July 28, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.