Why is the number of west nile virus cases increased in warm weather?

West Nile Virus. Agree w dr. Friedlander. West nile virus is normally transmitted to humans by mosquitoes. Mosquitoes normally acquire the virus from birds. Mosquitoes are most active during the warm season. This is when most infections are incurred.
Mosquitoes. This is when the mosquitoes that carry it from the sick birds are most numerous.

Related Questions

How do the RNA molecules of HIV and West Nile virus (WNV) differ in number and function?

Which ones? There are dozens of variants of HIV and West Nile virus. I believe the genomes for all of them have been sequenced and the sequences published. There are many open-source sequence-alignment software packages available for download. Many run better under Linux than Windows. Do you have a preference? Read more...

What r some symptoms of west nile virus?

Fever. Fatigue. Head. Weatnile.Virus is a culex mosquito transmitted i'llness they are night feeder symptoms are high fever headache fatigue chill body ache loss of appetite etc. Read more...
Fever and ... Headache, tiredness, body aches, swollen lymph glands, maybe a skin rash. But when the infection leads to a severe disease, symptoms would include headache, high fever, neck tightness, disorientation, muscle weakness and paralysis. Most people who get infected with the wnv will not develop symptoms. Read more...

What does west nile virus look like?

Very variable. In most cases, no actual symptoms, and in those who do get sick, very similar to a flu-like problem with generalized aching, low grade temp. Far less common, especially in immunologically suppressed folks, can cause brain and spinal cord inflammation which could be deadly, or leave a patient with arm or leg weakness (like a poliomyelitis). Read more...
West Nile Virus. Most people don’t have sx’s w west nile virus. Mild sx’s occur in about 20% of people; which can include fever, eye pain, generalized body aches, headaches, feeling really tired, ; possible enlarged lymph nodes or rash. About 1% have severe illness which can include neurologic problems. Possible sx’s include: seizures, severe headache w stiffness of the neck, high fever, confusion ; weakness. Read more...

What organ does the west nile virus affect?

Brain most commonly. The West Nile Virus mostly affects the brain within the central nervous system. When it affects the brain...it is the most common complication of West Nile....then, it's called an encephalitis. Read more...

How does the west nile virus get transmitted?

Mosquito bourne. West nile virus (wnv) is carried by mosquitoes that have fed on infected birds. They transmit the virus to humans when you are bitten. So stay indoors when mosquitoes are active, wear light colored clothes, long sleeves, hat, long pants, and consider using insect repellant as well. Read more...

What does the west nile virus actually do to your body?

Variable. Usually, no symptoms at all. In some, causes a flu-like syndrome for a few days. In rare patients, especially immunologically suppressed folks, can create a life-threatening meningo-encephalitis, and even rarer a polio-myelitis resulting in motor nerve cell damage in the spinal cord. Have seen all of these variations, but mostly, the mosquito bite causes only local itching. Read more...

How common is west nile virus in other parts of the world?

Incidence of WNV. West nile virus was first identified in 1937 in uganda in eastern africa. It was first discovered in the United States in the summer of 1999 in new york. Since then, the virus has spread throughout the United States and appears to have more cases in the great plains, especially in the fall. West nile virus is one of the most geographically widespread arboviruses in the world with cases occurring. Read more...
West Nile virus. It is very common. Initially started from sub sahara region and now present in all continents of world. It spreads with mosquito bite. Thanks. Read more...

I have west nile virus, have I transmit the disease directly to my family members?

No, but ... West nile virus is transmitted by mosquito bites. The mosquito injects the virus into the human or animal. There have not been cases of animal-to-human or human-to-human direct spread of the disease. That's the good news. However, there was one reported case of transmission from a mother to her baby through the placenta, and also one case of transmission to a child by breast-feeding. Read more...
No. Humans are "dead-end hosts" that means you can only transmit wnv to others through blood transfusions and organ donations. Read more...