Distribution feature of epidemic fever/epidemic haemorrhagic fever in Thanh Hoa during 1990-1999
- Author:
Can Ba Nguyen
- Publication Type:Journal Article
- Keywords:
dengue fever
- MeSH:
Fever;
epidemiology
- From:Journal of Practical Medicine
2002;435(11):19-21
- CountryViet Nam
- Language:Vietnamese
-
Abstract:
A retrospective study on 4693 patients with epidemic fever/epidemic haemorrhagic fever during 1990-1999 in Thanh Hãa province to find and identify the epidemic haemorrhagic fever, viral isolation, serological diagnosis in 5 coast line districts, 9 district in the delta region and 1 mountain district. The results have demonstrated that the average morbidity rate of the haemorrhagic fever in Thanh Hãa during 1990-1999 was 24.5/100.000; the average mortality rate of haemorrhagic fever was 0.04/100.000. Some epidemics had high morbidity rate included HËu Léc (1573.7/1in 1991) and SÇm S¬n (1978.7/1in 1998). Both were under the country's spread epidemics. There was significant difference of morbidity and mortality rate from the geographic region to another. The disease occurred all ages