Silent spread of dengue and dengue haemorrhagic fever to Coimbatore and Erode districts in Tamil Nadu, India, 1998: need for effective surveillance to monitor and control the disease

Dengue fever (DF) or dengue haemorrhagic fever (DHF) has not previously been reported in Coimbatore and Erode districts in Tamil Nadu in India. In 1998, 20 hospitalized cases of fever tested positive for dengue virus IgM and/or IgG antibodies. All of them had dengue-compatible illness, and at least...

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Bibliographic Details
Published in:Epidemiology and infection 2000-08, Vol.125 (1), p.195-200
Main Authors: SINGH, J., BALAKRISHNAN, N., BHARDWAJ, M., AMUTHADEVI, P., GEORGE, E. G., SUBRAMANI, K., SOUNDARARAJAN, K., APPAVOO, N. C., JAIN, D. C., ICHHPUJANI, R. L., BHATIA, R., SOKHEY, J.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aedes aegypti
Antibodies
Antibodies, Viral - blood
Arboviroses
Biological and medical sciences
Breeding
Child
Child, Preschool
Culicidae
Dengue
Dengue - blood
Dengue - epidemiology
Dengue - prevention & control
Dengue fevers
Dengue hemorrhagic fever
Dengue virus
Dengue Virus - immunology
Disease Outbreaks
Diseases
Female
Fever
Human viral diseases
Humans
India
India - epidemiology
India, Tamil Nadu
Infant
Infections
Infectious diseases
Male
Medical sciences
Pleural effusion
Population Surveillance - methods
Rural areas
Severe Dengue - blood
Severe Dengue - epidemiology
Severe Dengue - prevention & control
Tropical medicine
Tropical viral diseases
Viral diseases
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Summary:Dengue fever (DF) or dengue haemorrhagic fever (DHF) has not previously been reported in Coimbatore and Erode districts in Tamil Nadu in India. In 1998, 20 hospitalized cases of fever tested positive for dengue virus IgM and/or IgG antibodies. All of them had dengue-compatible illness, and at least four had DHF. Two of them died. Sixteen cases were below 10 years of age. The cases were scattered in 15 distantly located villages and 5 urban localities that had a high Aedes aegypti population. Although the incidence of dengue-like illness has not increased recently, almost 89% (95/107) of samples from healthy persons in the community tested positive for dengue IgG antibodies. The study showed that dengue has been endemic in the area, but was not suspected earlier. A strong laboratory-based surveillance system is essential to monitor and control DF/DHF.
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268899003866