DHH reports one new case of West Nile

DHH reports one new case of West Nile

The Louisiana Department of Health and Hospitals is reporting one new West Nile case this week, bringing this year's total number of cases to nine. This week's new infection is a neuroinvasive disease case from Ouachita Parish.

The Louisiana Department of Health and Hospitals is reporting one new West Nile case this week, bringing this year's total number of cases to nine. This week's new infection is a neuroinvasive disease case from Ouachita Parish.

Humans contract West Nile when they are bitten by mosquitoes infected with the virus. When people are infected with West Nile, the virus will affect them one of three ways. West Nile neuroinvasive disease is the most serious type, infecting
the brain and spinal cord. Neuroinvasive disease can lead to death, paralysis and brain damage. The milder viral infection is West Nile fever, in which people experience flu-like symptoms. The majority of people who contract West Nile will be asymptomatic, which means they show no symptoms. These cases aren't typically detected through blood donations or in the course of other routine medical tests.

About 90 percent of all cases are asymptomatic, while about 10 percent will develop West Nile fever. Only a very small number of infected individuals will show the serious symptoms associated with the neuroinvasive disease. Residents who are 65 years old and older are at higher risk for complications, but everyone is at risk for infection.

Last year, Louisiana reported 160 cases of West Nile virus neuroinvasive disease in the state, which is down from 2002's high of 204 cases of West Nile virus neuroinvasive disease. DHH has been tracking West Nile virus for more than a decade, and statistics about its occurrence in Louisiana can be found in DHH's weekly Arbovirus Surveillance Report, found on line at www.dhh.louisiana.gov/fightthebite.

This year, Ouachita Parish has reported two cases of neuroinvasive disease and Caldwell and Calcasieu parishes each have one case of neuroinvasive disease. Dr. Raoult Ratard, State Epidemiologist, recommends that all citizens take precautions to protect themselves.

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