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Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016
OBJECTIVE: To document the evolution and optimization of the Zika virus (ZIKV) disease surveillance system in southern Viet Nam in 2016 and to describe the characteristics of the identified ZIKV-positive cases. METHODS: We established a sentinel surveillance system to monitor ZIKV transmission in ei...
Autores principales: | , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
World Health Organization
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6831960/ https://www.ncbi.nlm.nih.gov/pubmed/31720051 http://dx.doi.org/10.5365/wpsar.2018.9.2.014 |
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author | Phan, Lan Trong Luong, Quang Chan Do, Thi Hong Hien Chiu, Cindy H Cao, Thang Minh Nguyen, Thao Thi Thanh Diep, Hai Thanh Huynh, Thao Phuong Nguyen, Dung Tri Le, Nga Hong Otsu, Satoko Tran, Phu Dac Nguyen, Thuong Vu Kato, Masaya |
author_facet | Phan, Lan Trong Luong, Quang Chan Do, Thi Hong Hien Chiu, Cindy H Cao, Thang Minh Nguyen, Thao Thi Thanh Diep, Hai Thanh Huynh, Thao Phuong Nguyen, Dung Tri Le, Nga Hong Otsu, Satoko Tran, Phu Dac Nguyen, Thuong Vu Kato, Masaya |
author_sort | Phan, Lan Trong |
collection | PubMed |
description | OBJECTIVE: To document the evolution and optimization of the Zika virus (ZIKV) disease surveillance system in southern Viet Nam in 2016 and to describe the characteristics of the identified ZIKV-positive cases. METHODS: We established a sentinel surveillance system to monitor ZIKV transmission in eight sites in eight provinces and expanded the system to 71 sites in 20 provinces in southern Viet Nam in 2016. Blood and urine samples from patients who met the case definition at the sentinel sites were tested for ZIKV using real-time reverse transcription polymerase chain reaction at the Pasteur Institute in Ho Chi Minh City (PI-HCMC). We conducted descriptive analysis and mapped the ZIKV-positive cases. RESULTS: In 2016, 2190 specimens from 20 provinces in southern Viet Nam were tested for ZIKV at PI-HCMC; 626 (28.6%), 484 (22.1%), 35 (1.6%) and 1045 (47.7%) tests were conducted in the first, second, third and fourth quarters of the year, respectively. Of these tested specimens, 214 (9.8%) were ZIKV positive with 212 (99.1%) identified in the fourth quarter. In the fourth quarter, the highest positivity rate was those in age groups 30–39 years (30.0%) and 40–59 years (31.6%). Of the 214 ZIKV-positive patients, 210 (98.1%) presented with rash, 194 (90.7%) with fever, 149 (69.6%) with muscle pain, 123 (57.5%) with joint pain and 66 (30.8%) with conjunctivitis. DISCUSSION: The surveillance system for ZIKV disease underwent several phases of optimization in 2016, guided by the most up-to-date local data. Here we demonstrate an adaptable surveillance system that detected ZIKV-positive cases in southern Viet Nam. |
format | Online Article Text |
id | pubmed-6831960 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | World Health Organization |
record_format | MEDLINE/PubMed |
spelling | pubmed-68319602019-11-12 Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 Phan, Lan Trong Luong, Quang Chan Do, Thi Hong Hien Chiu, Cindy H Cao, Thang Minh Nguyen, Thao Thi Thanh Diep, Hai Thanh Huynh, Thao Phuong Nguyen, Dung Tri Le, Nga Hong Otsu, Satoko Tran, Phu Dac Nguyen, Thuong Vu Kato, Masaya Western Pac Surveill Response J Non theme issue OBJECTIVE: To document the evolution and optimization of the Zika virus (ZIKV) disease surveillance system in southern Viet Nam in 2016 and to describe the characteristics of the identified ZIKV-positive cases. METHODS: We established a sentinel surveillance system to monitor ZIKV transmission in eight sites in eight provinces and expanded the system to 71 sites in 20 provinces in southern Viet Nam in 2016. Blood and urine samples from patients who met the case definition at the sentinel sites were tested for ZIKV using real-time reverse transcription polymerase chain reaction at the Pasteur Institute in Ho Chi Minh City (PI-HCMC). We conducted descriptive analysis and mapped the ZIKV-positive cases. RESULTS: In 2016, 2190 specimens from 20 provinces in southern Viet Nam were tested for ZIKV at PI-HCMC; 626 (28.6%), 484 (22.1%), 35 (1.6%) and 1045 (47.7%) tests were conducted in the first, second, third and fourth quarters of the year, respectively. Of these tested specimens, 214 (9.8%) were ZIKV positive with 212 (99.1%) identified in the fourth quarter. In the fourth quarter, the highest positivity rate was those in age groups 30–39 years (30.0%) and 40–59 years (31.6%). Of the 214 ZIKV-positive patients, 210 (98.1%) presented with rash, 194 (90.7%) with fever, 149 (69.6%) with muscle pain, 123 (57.5%) with joint pain and 66 (30.8%) with conjunctivitis. DISCUSSION: The surveillance system for ZIKV disease underwent several phases of optimization in 2016, guided by the most up-to-date local data. Here we demonstrate an adaptable surveillance system that detected ZIKV-positive cases in southern Viet Nam. World Health Organization 2019-05-14 /pmc/articles/PMC6831960/ /pubmed/31720051 http://dx.doi.org/10.5365/wpsar.2018.9.2.014 Text en (c) 2019 The authors; licensee World Health Organization. This is an open access article distributed under the terms of the Creative Commons Attribution IGO License (http://creativecommons.org/licenses/by/3.0/igo/legalcode), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In any reproduction of this article there should not be any suggestion that WHO or this article endorse any specific organization or products. The use of the WHO logo is not permitted. This notice should be preserved along with the article's original URL. |
spellingShingle | Non theme issue Phan, Lan Trong Luong, Quang Chan Do, Thi Hong Hien Chiu, Cindy H Cao, Thang Minh Nguyen, Thao Thi Thanh Diep, Hai Thanh Huynh, Thao Phuong Nguyen, Dung Tri Le, Nga Hong Otsu, Satoko Tran, Phu Dac Nguyen, Thuong Vu Kato, Masaya Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title | Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title_full | Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title_fullStr | Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title_full_unstemmed | Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title_short | Findings and lessons from establishing Zika virus surveillance in southern Viet Nam, 2016 |
title_sort | findings and lessons from establishing zika virus surveillance in southern viet nam, 2016 |
topic | Non theme issue |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6831960/ https://www.ncbi.nlm.nih.gov/pubmed/31720051 http://dx.doi.org/10.5365/wpsar.2018.9.2.014 |
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