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Related Concept Videos

Yellow Fever01:18

Yellow Fever

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
Cholera01:25

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Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
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American Trypanosomiasis

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Updated: Jun 22, 2026

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
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Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1

Published on: March 13, 2018

Death due to chikungunya.

Bhaswati Bandyopadhyay1, Debasish Bandyopadhyay, Rana Bhattacharya

  • 1School of Tropical Medicine, Chittaranjan Avenue, Kolkata 700073, India. drbhaswati@yahoo.com

Tropical Doctor
|June 19, 2009
PubMed
Summary
This summary is machine-generated.

Chikungunya outbreaks in India saw a significant decline from 2006 to 2008, with confirmed cases dropping from 2001 to 44. This trend indicates a potential reduction in chikungunya virus transmission during this period.

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Last Updated: Jun 22, 2026

Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
06:18

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Published on: March 13, 2018

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
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A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease

Published on: April 28, 2019

Area of Science:

  • Epidemiology
  • Public Health

Background:

  • Chikungunya virus (CHIKV) first appeared in Kolkata, India, during 1963-1965.
  • The virus subsequently caused epidemic outbreaks across 17 Indian states and union territories.

Observation:

  • In 2006, India reported 1,390,322 suspected chikungunya cases.
  • Suspected cases decreased to 59,535 in 2007 and 11,222 in 2008.
  • Serological diagnostic samples were sent to the National Institute of Virology and National Institute of Communicable Disease.

Findings:

  • Confirmed chikungunya cases significantly decreased from 2,001 in 2006 to 1,826 in 2007 and 44 in 2008.
  • No deaths were reported during these epidemic years, according to the National Vector Borne Disease Control Programme.

Implications:

  • The data suggests a substantial reduction in chikungunya incidence and transmission in India between 2006 and 2008.
  • Continued surveillance and vector control strategies are crucial for managing future chikungunya outbreaks.