The epidemiological characteristics of malaria in Fuzhou from 2013 to 2022
Objective The epidemiological characteristics of imported malaria cases in Fuzhou from 2013 to 2022 were analyzed,and the prevention and control strategies of imported malaria were discussed,which provided a basis for formulating prevention and control measures.Methods The data on imported malaria cases legally reported in Fuzhou from 2013 to 2022 were analyzed by descriptive epidemiological methods,and the data were statistically analyzed using SPSS 26.0 software.Results A total of 329 imported cases of malaria were reported in Fuzhou from 2013 to 2022.The confirmed cases were mainly falciparum malaria,accounting for 73.25％,followed by vivax.There were two distinct peaks in January-February and May-July.There had been a significant decline in imported malaria cases in Fuzhou since 2020.The annual average incidence of malaria in Fuzhou from 2020 to 2022 was statistically different from that from 2013 to 2019(x2=258.46,P＜0.01).The imported malaria was mainly from the Africa region,with a total of 289 cases,accounting for 87.84％,mainly from Nigeria,the Democratic Republic of the Congo,Cameroon and other countries.There were more men than women,the sex ratio was 10.75∶1,and the age distribution was dominated by young adults aged 25 to 55 years old.The difference between the various type of malaria diagnosis time was also statistically significant(x2=48.53,P＜0.01),of which the median time of diagnosis of falciparum malaria was the shortest,3 days,followed by vivax malaria.Conclusions Before the outbreak of the new crown pneumonia epidemic,the situation of imported malaria prevention and control in Fuzhou was still relatively severe.However,strengthening the isolation and control of entry personnel after the outbreak of the new crown pneumonia epidemic,as well as strengthening the investigation of the travel history of malaria-endemic areas,should be done to reduce the occurrence of malaria cases and reduce the risk of malaria transmission.
MalariaImportedIncidence ratePrevention and control strategies
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