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An outbreak of dengue virus serotype 1 infection in Cixi, Ningbo, People's Republic of China, 2004, associated with a traveler from Thailand and high density of Aedes albopictus.
Am J Trop Med Hyg. 2007 Jun; 76(6):1182-8.AJ

Abstract

Autochthonous dengue infections have not been reported in Ningbo, People's Republic of China since 1929. In August-October 2004, an outbreak of dengue fever was confirmed in Xiaolin, Cixi, Ningbo. Of 83 cases reported, 68 were laboratory confirmed. Fifty-three percent (34 of 64) of the cases had IgM antibodies to dengue virus. Dengue virus serotype-1 was isolated from two cases. The outbreak was linked to a traveler who returned from Thailand. Phylogenetic analysis showed that the Ningbo isolate was closely associated to strains from Thailand. Prevalence of dengue-specific IgG in asymptomatic residents was significantly higher in the epidemic-stricken area than in a control area. High density of Aedes albopictus, which resulted from waterlogging caused by Typhoon Rananim and lifestyle of local residents, was responsible for rapid spread of the virus. Eradication of mosquito infestation might interrupt transmission. This outbreak underscores the importance of maintaining surveillance and control of potential vectors for the control of emerging infectious diseases.

Authors+Show Affiliations

Department of Infectious Diseases, Center of Disease Prevention and Control of Ningbo City, Ningbo, Zhejiang, People's Republic of China. xugz@nbcdc.org.cn , donghj@nbcdc.org.cnNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17556633

Citation

Xu, Guozhang, et al. "An Outbreak of Dengue Virus Serotype 1 Infection in Cixi, Ningbo, People's Republic of China, 2004, Associated With a Traveler From Thailand and High Density of Aedes Albopictus." The American Journal of Tropical Medicine and Hygiene, vol. 76, no. 6, 2007, pp. 1182-8.
Xu G, Dong H, Shi N, et al. An outbreak of dengue virus serotype 1 infection in Cixi, Ningbo, People's Republic of China, 2004, associated with a traveler from Thailand and high density of Aedes albopictus. Am J Trop Med Hyg. 2007;76(6):1182-8.
Xu, G., Dong, H., Shi, N., Liu, S., Zhou, A., Cheng, Z., Chen, G., Liu, J., Fang, T., Zhang, H., Gu, C., Tan, X., Ye, J., Xie, S., & Cao, G. (2007). An outbreak of dengue virus serotype 1 infection in Cixi, Ningbo, People's Republic of China, 2004, associated with a traveler from Thailand and high density of Aedes albopictus. The American Journal of Tropical Medicine and Hygiene, 76(6), 1182-8.
Xu G, et al. An Outbreak of Dengue Virus Serotype 1 Infection in Cixi, Ningbo, People's Republic of China, 2004, Associated With a Traveler From Thailand and High Density of Aedes Albopictus. Am J Trop Med Hyg. 2007;76(6):1182-8. PubMed PMID: 17556633.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An outbreak of dengue virus serotype 1 infection in Cixi, Ningbo, People's Republic of China, 2004, associated with a traveler from Thailand and high density of Aedes albopictus. AU - Xu,Guozhang, AU - Dong,Hongjun, AU - Shi,Nanfeng, AU - Liu,Shijian, AU - Zhou,Aiming, AU - Cheng,Zhihua, AU - Chen,Guohua, AU - Liu,Jianyi, AU - Fang,Ting, AU - Zhang,Hongwei, AU - Gu,Chunying, AU - Tan,Xiaojie, AU - Ye,Jianjie, AU - Xie,Shuyun, AU - Cao,Guangwen, PY - 2007/6/9/pubmed PY - 2007/8/23/medline PY - 2007/6/9/entrez SP - 1182 EP - 8 JF - The American journal of tropical medicine and hygiene JO - Am J Trop Med Hyg VL - 76 IS - 6 N2 - Autochthonous dengue infections have not been reported in Ningbo, People's Republic of China since 1929. In August-October 2004, an outbreak of dengue fever was confirmed in Xiaolin, Cixi, Ningbo. Of 83 cases reported, 68 were laboratory confirmed. Fifty-three percent (34 of 64) of the cases had IgM antibodies to dengue virus. Dengue virus serotype-1 was isolated from two cases. The outbreak was linked to a traveler who returned from Thailand. Phylogenetic analysis showed that the Ningbo isolate was closely associated to strains from Thailand. Prevalence of dengue-specific IgG in asymptomatic residents was significantly higher in the epidemic-stricken area than in a control area. High density of Aedes albopictus, which resulted from waterlogging caused by Typhoon Rananim and lifestyle of local residents, was responsible for rapid spread of the virus. Eradication of mosquito infestation might interrupt transmission. This outbreak underscores the importance of maintaining surveillance and control of potential vectors for the control of emerging infectious diseases. SN - 0002-9637 UR - https://www.unboundmedicine.com/medline/citation/17556633/An_outbreak_of_dengue_virus_serotype_1_infection_in_Cixi_Ningbo_People's_Republic_of_China_2004_associated_with_a_traveler_from_Thailand_and_high_density_of_Aedes_albopictus_ L2 - https://www.hfv.lanl.gov/components/sequence/HCV/search/d_search.comp?pub_pubmedentry=17556633 DB - PRIME DP - Unbound Medicine ER -