West Nile virus causes severe disease in less than 1% of cases
12/09/2024
West Nile virus (WNV) is a virus belonging to the Flaviviridae family and is transmitted mainly through the bite of infected mosquitoes, especially of the Culex genus. This virus affects both humans and animals, especially birds, which are the main hosts of the virus. In fact, the infection is mainly transmitted through the bite of mosquitoes that have previously bitten birds carrying the virus.
How is the West Nile virus transmitted?
Who can be affected?
In a small percentage of cases (less than 1%), the virus can cause serious neurological diseases such as encephalitis (inflammation of the brain) or meningitis, especially in older people or those with a weakened immune system.
Symptoms
It should be noted that many people infected with West Nile virus do not develop symptoms, but among those who do, symptoms can range from mild to severe.
Affects approximately 20% of infected people and may include:
These symptoms usually last a few days but fatigue may persist for weeks.
They affect less than 1% of infected people, but can be very serious and affect the central nervous system. Symptoms may include:
Older people and those with weakened immune systems are more susceptible to developing severe forms of the disease. If you suspect you have been exposed to West Nile virus and have any of the symptoms, it is important to consult a doctor to evaluate the situation.
Is there any treatment to combat the West Nile virus?
There is no vaccine or specific treatment for West Nile virus. Treatment is based on alleviating symptoms and, in the most severe cases, providing intensive medical support in hospitals.
12/09/2024
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