West Nile fever spreading in US; symptoms to precautions, all you want to know

The seasonal West Nile virus is once again on prowl as counties across various states have registered a spike in number of positive mosquito samples. One of the leading causes of mosquito-borne diseases in the US, West Nile virus can cause mild as well as severe symptoms ranging from headache, high fever, lack of appetite to seizures and paralysis. West Nile cases usually witness an uptick during mosquito season, which starts in the summer and continues through fall.
Presence of virus in mosquitoes has prompted public health officials in the US to ask the public to stay vigilant about the symptoms. It is therefore important to follow all necessary precautions to contain mosquito breeding as well as avoid mosquito bites by wearing full length clothes that cover arms and legs.

The West Nile threat is seemingly less serious this time around as according to Centers for Disease Control and Prevention (CDC), only 25 cases of West Nile virus have been reported in 14 states which is lower than the 117 cases reported at the same time last year.

It is a mosquito-borne flavivirus which is known to cause flu-like symptoms. However, in certain cases, the implications can be life-threatening. It transmits through an infected mosquito's bite.
While many people may not develop any symptoms after being exposed to the virus, some may develop flu-like symptoms around 2-14 days of being bitten by an infected mosquito.


Abdominal pain, headache, fever, sore throat, muscle aches, nausea, vomiting, diarrhea, swollen lymph nodes.

Stupor, disorientation, tremors, seizures, paralysis, and coma. It can also cause neurological illness like meningitis or inflammation in brain also called encephalitis.
According to CDC, rarely, cardiac dysrhythmias, myocarditis, rhabdomyolysis, optic neuritis, uveitis, chorioretinitis, orchitis, pancreatitis, and hepatitis have been described in patients with WNV disease.

No specific treatment has been advised for West Nile virus and symptom management is the key to battle the illness.
Those who suffer from neurological complications due to the disease may require pain killers for headaches and antiemetic therapy.
People are advised to hydrate themselves well to manage symptoms like nausea and vomiting.
It is important to use insect repellants, wear full-length clothes, and prevent mosquito breeding. It is important to watch out for the above West Nile virus symptoms and seek medical help if required.