Dengue Fever Outbreak Prompts State of Emergency in Brazil City

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Global Disasters/ Significant Events

State of emergency declared in Brazil’s Campo Grande as dengue fever infection becomes epidemic

Thousands of people have contracted dengue fever, a mosquito-born viral infection, in Brazilian cities of Campo Grande, in the southern state of Mato Grosso do Sul, and Vitoria, in Espiritu Santo state.

• Thousands of suspected cases have been also been reported in Paraguay, especially across the border from Mato Grosso do Sul state, where the disease has killed about a dozen people.

• Brazil health authorities say recent extreme rains events have increased the reproduction of the Aedes mosquito which transmits the potentially lethal disease.

Global Impact: The incidence of dengue fever infection continues growing globally, especially since 2009, putting at least half of the world’s population at risk.

Aedes aegypti, aka the yellow fever mosquito, is a vector for transmitting several tropical disease viruses including dengue fever, Chikungunya (CHIKV) and yellow fever.

This 2006 photograph depicts a female Aedes aegypti mosquito as she acquires  a blood meal from her human host, the biomedical photographer, James Gathany, at the Centers for Disease Control.  Dengue fever is caused by four virus strains spread by the mosquito Aedes aegypti. (Photo Credit: James Gathany/University of Notre Dame).

Related Links

• Chikungunya Makes West Nile Look Like Nappy Rash September 19, 2009
• Disease Emergence and Resurgence of Infectious Diseases‎ July 3, 2011
• State of emergency in Marshall Islands as dengue outbreak spirals October 29, 2011

• Dengue fever toll climbs to 162 October 4, 2011
• Mutant Mosquito Swarms to Be Unleashed in Florida December 8, 2012