alexa Awareness of changing trends in epidemiology of dengue fever is essential for epidemiological surveillance.
Infectious Diseases

Infectious Diseases

Journal of Tropical Diseases & Public Health

Author(s): Chakravarti A, Matlani M, Kashyap B, Kumar A

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Abstract Dengue has become endemic in India with outbreaks occurring almost every year. The seroprevalence and serotypic data of the last 7 years in samples obtained from suspected dengue patients from a tertiary care hospital were analyzed. Out of 7846 serum samples received in the virology laboratory from suspected dengue cases during 2002 to 2008, 2366 (30.15\%) were serologically confirmed. Serotyping was done using mRT-PCR. All the four serotypes were detected in 2003, while data in 2004, 2005 and 2006 revealed the the predominance of Den-3. In the year 2007 predominance of Den-2 was observed, whereas in 2008 Den-1 was the most common serotype isolated. Overall, Den-2 and Den-3 were the most predominant serotypes during 2003-2007 but Den-1 replaced these strains in the year 2008. Since the emergence of a new predominant strain can lead to the occurrence of an outbreak, presence of Den-1 in the year 2008 would pose an alarming situation before us. Well-targeted population-based epidemiological studies are urgently required to control dengue menace. This article was published in Indian J Med Microbiol and referenced in Journal of Tropical Diseases & Public Health

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