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Titolo:
Active surveillance for acute flaccid paralysis in poliomyelitis high-riskareas in southern China
Autore:
Chiba, Y; Hikita, K; Matuba, T; Chosa, T; Kyogoku, SJ; Yu, JJ; Wang, Z;
Indirizzi:
Int Med Ctr Japan, Bur Int Cooperat, Shinjuku Ku, Tokyo 1628655, Japan IntMed Ctr Japan Tokyo Japan 1628655 Shinjuku Ku, Tokyo 1628655, Japan Japan Int Cooperat Agcy, China Polio Control Project, Tokyo, Japan Japan Int Cooperat Agcy Tokyo Japan Polio Control Project, Tokyo, Japan Agcy Cooperat Int Hlth, Kumamoto, Japan Agcy Cooperat Int Hlth Kumamoto Japan ooperat Int Hlth, Kumamoto, Japan Minist Hlth, Dept Dis Control, EPI Div, Beijing, Peoples R China Minist Hlth Beijing Peoples R China , EPI Div, Beijing, Peoples R China
Titolo Testata:
BULLETIN OF THE WORLD HEALTH ORGANIZATION
fascicolo: 2, volume: 79, anno: 2001,
pagine: 103 - 110
SICI:
0042-9686(2001)79:2<103:ASFAFP>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
ERADICATION; POLIO;
Keywords:
paralysis, diagnosis, virology; muscle hypotonia, virology; poliomyelitis, diagnosis, epidemiology; disease notification, methods; diagnosis, differential; polioviruses, isolation and purification; epidemiologic surveillance; China; Myanmar;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
13
Recensione:
Indirizzi per estratti:
Indirizzo: Chiba, Y Int Med Ctr Japan, Bur Int Cooperat, Shinjuku Ku, Toyama 1-21-1, Tokyo 1628655, Japan Int Med Ctr Japan Toyama 1-21-1 Tokyo Japan 1628655 28655, Japan
Citazione:
Y. Chiba et al., "Active surveillance for acute flaccid paralysis in poliomyelitis high-riskareas in southern China", B WHO, 79(2), 2001, pp. 103-110

Abstract

Objective On 29 October 2000 poliomyelitis was officially declared to havebeen eradicated from the Western Pacific Region. This article describes the results of surveillance for cases of acute flaccid paralysis (AFP) in China during the final phase of the eradication effort. Methods We conducted hospital-based active surveillance in high-risk areasfor poliomyelitis in 5 provinces of southern China (Sichuan, Yunnan, Guizhou, Guangxi and Jiangxi) between 1995 and 1997 to determine the adequacy ofreporting and laboratory diagnosis of cases of AFP. Findings A total of 1069 AFP cases occurring since 1993 were identified in311 hospital visits. Less than 50% of AFP cases occurring in 1993 and 1994had been reported by AFP surveillance, and laboratory diagnosis had been carried out on only a small proportion of these. However, improved cooperation between hospital sectors increased the rate of case reporting and laboratory diagnosis to 85% and 78%, respectively, in 1997. Despite this overall improvement, these two indicators were approximately 10-20% lower in YunnanProvince. Epidemiological analysis revealed that cases of clinical poliomyelitis accounted for as much as one-third of all AFP in 1993 and that some of these cases were clustered. Clusters were rarely observed after 1994. Active surveillance in the China-Myanmar border areas of Yunnan over 1995-96 detected 9 cross-border cases of clinical poliomyelitis, including 2 of wild poliomyelitis. Import of poliomyelitis was thus considered to have occurred frequently until 1996 in this border area of Yunnan. These data were important for the outbreak response immunization carried out in 1996 in the border prefectures of Yunnan. Conclusion Our investigation confirmed a high level of AFP surveillance inpoliomyelitis high-risk areas of the five provinces and provided valuable information on the interruption of wild poliovirus circulation in southern China that will be of use to countries in other regions that have yet to eradicate poliomyelitis.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/06/18 alle ore 17:07:36