New York City health officials reported the first West Nile (WNV) human virus case in a Manhattan resident. The patient, who is over 50 years old, was admitted to the hospital at the beginning of this month with encephalitis and has since been discharged.
The Health Department notes that this is the first identification of a human case of WNV in New York since surveillance began in 1
In addition, the first collection of mosquitoes infected with the 2018 virus was reported.
"The results of our surveillance on mosquitoes and the first West Nile virus serve as a vital reminder that the mosquito season is here and that all New Yorkers should take precautions to protect themselves and their families from mosquito bites, "said health commissioner Dr. Mary T. Bassett. "We have one of the best mosquito control programs in the country, but the West Nile virus is here to stay in. To reduce the possibility of infection, all New Yorkers – including residents living in Manhattan – should use mosquito repellent, cover the arms and legs when they are open, get rid of stagnant water and install screens of windows. "
First discovered in Uganda in 1937 The West Nile virus is a disease transmitted by mosquitoes that can cause # 39; encephalitis, a brain inflammation.
It was first detected in North America in 1999 and has since spread to the continental United States and Canada.
infected by the West Nile virus from the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes can then spread the virus to humans and other animals.
According to the Centers for Disease Control and Prevention (CDC), about 80% of people (about 4 out of 5) who are infected with WNV will not show no symptoms.
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Up to 20% of people who become infected have symptoms such as fever, headache and muscle aches, nausea, vomiting and sometimes swollen lymph nodes or a rash on the chest, stomach and back. Symptoms may last as long as a few days, although healthy people have also been ill for several weeks.
About one in 150 people infected with WNV will develop a serious illness.
Severe symptoms may include high fever, headache, neck stiffness, stupor, disorientation, coma, tremor, convulsions, muscle weakness, loss of vision, numbness and paralysis. These symptoms may last several weeks and the neurological effects may be permanent.
There is no specific treatment for WNV infection.
In a very small number of cases, West Nile virus has been spread through blood transfusions, organ transplants, and from mother to child during pregnancy, childbirth or lactation, according to the CDC.