Objective To analyze the epidemiological characteristics of dengue fever and the surveillance data of Aedes vector in Hubei province, China, 2019, and to provide a basis for formulating effective prevention and control strategies for dengue fever. Methods The Breteau index method and double-net method were used to monitor the density of Aedes larvae and adults. Excel 2016 software was used to process and tabulate the data of dengue cases and mosquito vector surveillance. Results A total of 233 dengue cases were reported, including 30 cases of indigenous infections. Apart from Shennongjia forest region, all the other 16 cities (prefectures) had reported cases. There were reported cases all year round, with a peak period in June to November. Among all the reported cases, 87.12% (203 cases) were imported, and 81.36% (144 cases) of the imported cases were from Cambodia. The age of patients was mainly 20-54 years (193/233, 82.83%); farmers were the dominant occupation (73/233, 31.33%), followed by unemployed people (41/233, 17.60%). The ratio of males to females was 3.02:1. On average, they visited the hospital 6 days after onset. The peak density of Ae. albopictus occurred in June to October. Conclusion The dengue epidemic in Hubei province, 2019 was a local outbreak caused by imported cases. It is suggested that relevant departments should strengthen surveillance of the Aedes vector and dengue cases, so as to provide a scientific basis for the selection of local dengue prevention and control measures.
HUANG Dan-qin, LIU Li, CHEN Qi, WU Yang, LIU Man, XIONG Jin-feng
. Analysis of dengue epidemic and Aedes vector surveillance in Hubei province, China, 2019[J]. Chinese Journal of Vector Biology and Control, 2021
, 32(1)
: 38
-40
.
DOI: 10.11853/j.issn.1003.8280.2021.01.007
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