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What is the West Nile virus?

West Nile Virus is a flavivirus frequently uncovered in Africa, West Asia, and the Center East. It is closely pertained to St. Louis encephalitis virus which is also uncovered in the United States. The virus can infect human beings, birds, mosquitoes, horses and some other mammals.

How do world get West Nile virus?

People come to be infected through the West Nile virus with the bite of an infected mosquito. Mosquitoes become infected when they feed on infected animals such as certain birds. You cannot acquire the West Nile virus by handling dead birds.

Can you acquire West Nile virus from one more person?

No, West Nile virus is not transmitted from perkid to perchild.

What execute I do if I find a dead bird?

The Department of Health is no longer studying dead birds yet obtains records to monitor the approach of a West Nile Virus epidemic. If you uncover a dead bird, contact 311 and repursuit dead animal pick up through a specific place. If you are comfortable via appropriately disposing the bird, please follow this procedure:

Wear protective gloves or use a plastic bag as a glove Place or wrap the dead bird in a plastic bag and tie the bag securely Dispose of the bag in an outdoor trash receptacle Wash your hands with soap and water

Remember, the West Nile virus is not transmitted directly from birds to humans.

What are the symptoms of West Nile virus?

Most people who end up being infected through the West Nile virus will not have any kind of symptoms. Less than 1% of world that become infected through the West Nile virus will certainly construct symptoms. Symptoms include fever, head and also body aches and also might include swollen glands and also a skin rash on the body. The elderly and human being living via weakened immune units are at the highest hazard for a more significant disease. An even more severe infection may be marked by headache, high fever before, neck stiffness, tremors, coma, weakness paralysis, and in differ rare situations, death.

What is West Nile encephalitis?

"Encephalitis" indicates an inflammation of the brain and also can be resulted in by virsupplies and bacteria, consisting of virprovides transmitted by mosquitoes. West Nile encephalitis is an infection of the brain caused by West Nile virus. It is very closely concerned St. Louis encephalitis virus uncovered in the USA.

How lengthy has West Nile virus remained in the US?

It is not known exactly how lengthy it has actually been in the US, however scientists think the virus has probably remained in the eastern US since the beforehand summer of 1999, maybe much longer.

What is the standard transmission cycle?

Mosquitoes come to be infected when they feed on infected birds, which might circulate the virus in their blood for a few days. Infected mosquitoes have the right to then transmit West Nile virus to human beings and pets while biting to take blood. The virus is situated in the mosquito's salivary glands. Throughout blood feeding, the virus might be injected right into an animal or a humale, wbelow it may multiply, and also possibly reason illness.

If I live in an area where birds or mosquitoes through West Nile virus have actually been reported and also a mosquito bites me, am I most likely to obtain sick?

No. Even in areas where the virus is circulating, extremely few mosquitoes are infected through the virus. Even if the mosquito is infected, less than 1% of world that get bitten and also come to be infected will certainly acquire sevecount ill. The possibilities you will end up being sevecount ill from any one mosquito bite are extremely small.

Is a woman's pregnancy at hazard if she gets West Nile encephalitis?

Tright here is no recorded proof that a pregnancy is at risk due to infection with West Nile virus.

What percentage of people who contract West Nile virus become sevedepend ill? How many die?

Amongst those through significant disease due to West Nile virus, case-fatality rates array from 3% to 15% and also are highest among the elderly. Less than 1% of persons infected with West Nile virus will construct major condition.

If a perchild contracts West Nile virus, does that perboy construct a organic immunity to future infection by the virus?

It is assumed that immunity will be lifelong; but, it may wane in later years.

Is there a vaccine against West Nile encephalitis?

No, yet numerous service providers are functioning towards occurring a vaccine.

What can I do to alleviate my hazard of ending up being infected with West Nile virus?Stay indoors at dawn, dusk, and also in the early evening.Wear long-sleeved shirts and lengthy pants whenever you are outdoors.Spray garments via repellents containing permethrin or DEET considering that mosquitoes might bite through thin apparel.Apply insect repellent sparingly to exposed skin. For adults, an effective repellent will contain 35% DEET (N,N-diethyl-meta-toluamide). DEET in high concentrations (greater than 35%) provides no extra defense. For kids periods 2-6 years, a pest repellant which consists of 10% DEET is recommended. For children much less tha period 2 years the usage of insect repellant is not recommended.Repellents might irritate the eyes and also mouth, so prevent applying repellent to the hands of youngsters.Whenever you usage an insecticide or insect repellent, be certain to review and also follow the manufacturer's DIRECTIONS FOR USE, as published on the product.Install or repair window and door displays so that mosquitoes cannot gain indoors.Note: Vitamin B and also "ultrasonic" devices are NOT efficient in preventing mosquito bites.I think I have symptoms of West Nile virus. What need to I do?

Contact your health treatment provider if you have actually comes to around your health. If you or your household members develop symptoms such as high fever before, confusion, muscle weakness, and serious headaches, you should check out your physician instantly. For answers to health concerns and clinical symptoms of the West Nile virus infection, please speak to the Department of Health Animal Disease Prevention Division at (202) 535-2323 Monday via Friday from 8:15 am to 4:45 pm.

How perform health treatment service providers test for West Nile virus?

Your health care provider will initially take a clinical background to assess your hazard for West Nile virus. People that live in or traveresulted in locations wbelow West Nile virus activity has been determined are at risk of getting West Nile encephalitis; persons older than 50 years of age have actually the highest risk of significant illness. If you are figured out to be at high risk and have actually symptoms of West Nile encephalitis, your provider will certainly draw a blood sample and also sfinish it to a commercial or public health laboratory for confirmation.

How is West Nile encephalitis treated?

Tbelow is no certain treatment. In more major instances, extensive supportive treatment is suggested, regularly including hospitalization, intravenous fluids, airway administration, respiratory assistance (ventilator), avoidance of secondary infections (pneumonia, urinary tract, and so on.), and good nursing care.

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Wbelow can I obtain even more indevelopment around the West Nile virus?Contact the Department of Health’s Animal Disease Prevention Division at (202) 535-2323 for basic indevelopment about the West Nile Virus and to repursuit mosquito regulate treatment.