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Volume 24, Number 9—September 2018
Synopsis

Event-Based Surveillance at Community and Healthcare Facilities, Vietnam, 2016–2017

Alexey Clara1, Trang T. Do1, Anh T.P. Dao, Phu D. Tran, Tan Q. Dang, Quang D. Tran, Nghia D. Ngu, Tu H. Ngo, Hung C. Phan, Thuy T.P. Nguyen, Anh T. Lai, Dung T. Nguyen, My K. Nguyen, Hieu T.M. Nguyen, Steven Becknell, Christina Bernadotte, Huyen T. Nguyen, Quoc C. Nguyen, Anthony W. Mounts, and S. Arunmozhi BalajeeComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A. Clara, T.T. Do, A.T.P. Dao, S. Becknell, A.W. Mounts, S.A. Balajee); General Department of Preventive Medicine, Hanoi, Vietnam (P.D. Tran, T.Q. Dang, Q.D. Tran); National Institute of Hygiene and Epidemiology, Hanoi (N.D. Ngu, T.H. Ngo); Pasteur Institute, Ho Chi Minh City, Vietnam (H.C. Phan, T.T.P. Nguyen); Preventive Medicine Center, Nam Dinh, Vietnam (A.T. Lai); Preventive Medicine Center, Quang Ninh, Vietnam (D.T. Nguyen); Preventive Medicine Center, An Giang, Vietnam (M.K. Nguyen); Preventive Medicine Center, Ba Ria-Vung Tau, Vietnam (H.T.M. Nguyen); Program for Appropriate Technology in Health, Seattle, Washington, USA (C. Bernadotte, H.T. Nguyen, Q.C. Nguyen)

Main Article

Table 4

Time to notification and response during event-based surveillance pilot project, Vietnam, September 2016–May 2017

Type of event No. events Mean time to notification, h* (median [range]) Mean time to response, h† (median [range])
Suspected chickenpox 28 11 (12 [<1–24]) 15.3 (12 [<1–48])
Hand, foot, and mouth disease 27 15 (12 [<1–171]) 18 (12 [<1–171])
Suspected dengue 22 6.6 (2.5 [<1 −27]) 36 (12 [5–318])
Avian influenza‡ 14 3.4 (<1 [<1–12]) 4.5 (1 [<1–15])
Foodborne disease 11 5 (<1 [<1 −24]) 6.7 (<1 [<1–24])
Acute respiratory infection 10 9 (12 [1–12]) 10 (12 [6–12])
Suspected mumps 9 9 (12 [<1–18]) 18 (12 [<1–48])
Other
 15
 Not calculated
 Not calculated
Total 136§ Not calculated Not calculated

*Time from first detection to notification to the district level.
†Time from first detection to response.
‡Avian influenza in poultry, not human cases.
§From 176 events reported, 40 were excluded for timeliness analysis (incomplete, missing, incoherent or nonverified data).

Main Article

1These authors contributed equally to this article.

Page created: August 15, 2018
Page updated: August 15, 2018
Page reviewed: August 15, 2018
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.
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