Welcome ! I'm Dr. Ahmad and I will be pleased to offer help.. email me: ad_icare@yahoo.com أهلا و سهلا: يسعدنا إنضمامك لنا من خلال صفحتنا على الفيس بوك: استشارة صحية

What Is West Nile Fever ?

Friday, 31 August 2012

West Nile Fever is a viral infection caused by West Nile Virus, which is transmitted by the bite of an infected mosquito. 

66 people have died from West Nile virus infections this year and the number of human cases has grown to 1,590. That's the highest case count through the last week of August since the virus was first detected in the U.S in 1999.

Way of transmission of West Nile Virus:

The transmission cycle begins when a mosquito bites an infected bird and takes in blood that contains the virus. If the mosquito bites a human, it transmits the virus to him/her.
In a very small number of cases, WNV can spread through blood transfusions, organ transplants, breastfeeding and even during pregnancy from mother-to-baby.

Symptoms of West Nile Fever:
The earliest symptoms include fever, fatigue, headache, body aches, rash and swollen lymph nodes. 80% of people infected by WNV, will not show any symptoms at all.
Symptoms usually begin 3 to 15 days after infection. In about 1% of infected individuals, it may cause West Nile Encephalitis (inflammation of the brain) which will present with high fever, stiff neck, convulsions, confusion, paralysis and coma.

People aged over 50 years old and those who spend more time outdoors are at high risk of getting WNV.

How is West Nile Fever treated ?
There is no specific treatment for this disease. Management is supportive in terms of replacing fluids and electrolytes as they are lost through insensible losses due to fever and decreased fluid intake.


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