Learn about natural repellents that actually work. A headache is pain or discomfort that occurs in or around your head, including your scalp, sinuses, or neck. Nausea is a type of discomfort in your…. Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes.
Dengue fever is a disease spread by mosquito bites. Dengue can be mild or severe. Health Conditions Discover Plan Connect. Bites and Stings. Medically reviewed by Deborah Weatherspoon, Ph. Risk factors. Diagnosing the infection. Share on Pinterest. Facts and statistics. Preventing infection. Read this next. Mosquito Bite Symptoms and Treatments. Medically reviewed by Graham Rogers, M. Medically reviewed by Stacy Sampson, D. Bug Bites and Stings. Medically reviewed by Cameron White, M.
How Are Diseases Transmitted? Vaccines are available for birds and horses, but not humans. In order to prevent the spread of WNV, measures such as mosquito vector control and limiting exposure to mosquito bites should be practiced. Eliminating the breeding habitat helps reduce mosquito populations.
Mosquitoes lay eggs in water, so removing standing water in and around homes can help reduce mosquito larvae. Voluntary mosquito surveillance is performed by some local health departments.
It begins in early summer and mosquito pools from traps are collected weekly and tested for multiple diseases. It has since spread throughout the continental United States and beyond.
Human cases vary considerably from year to year, from cases nationwide in to 5, cases in Environmental factors including rainfall, temperature and mosquito vectors all play a role in the varying case numbers. Other mammals in which the virus has been detected include squirrels, chipmunks, mice, rats, and other rodents, as well as skunks, canids, white-tailed deer, raccoons, bears, opossums, bats, and non-human primates. Mammals are usually asymptomatic or will have flu-like illness including fever, headache, tiredness, body aches, nausea, and vomiting.
The symptoms of West Nile virus may look like other conditions or health problems. Always see your healthcare provider for a diagnosis. Certain things can increase the risk for getting West Nile virus. You are more likely to get the virus if you are exposed to mosquito bites during the summer months.
Most people who are infected have a minor illness and recover fully. But, older people and those with weak immune systems are more likely to get a serious illness from the infection. There's no specific treatment for West Nile virus-related diseases. If a person gets the more severe form of the disease, West Nile encephalitis or meningitis, treatment may include intensive supportive therapy, such as:.
Usually, the West Nile virus causes mild, flu-like symptoms. However, the virus can cause life-threatening illnesses, such as. At this time, there's no vaccine available to prevent West Nile virus. Repellents are effective only at short distances from the treated surface, so mosquitoes may still be flying nearby. Always follow the directions on the insect repellent to determine how often you need to reapply repellent.
To boost your protection from insect repellent, remember:. Repellents containing a higher concentration of active ingredient such as DEET provide longer-lasting protection. Read the directions to find out how long your product will last. Most people infected with the West Nile virus will have only mild symptoms. However, if any of the following serious symptoms develop, seek medical attention right away:.
Health Home Conditions and Diseases. But, the virus can cause life-threatening illnesses, such as: Encephalitis inflammation of the brain Meningitis inflammation of the lining of the brain and spinal cord Meningoencephalitis inflammation of the brain and its surrounding membrane What causes West Nile virus?
What are the symptoms of West Nile virus? These are the most common symptoms of West Nile fever: Fever Headache Body aches Skin rash on trunk of body Swollen lymph glands The more severe form of the West Nile virus affects mostly older adults. It occurs when the virus crosses the blood-brain barrier and can cause: Headache High fever Neck stiffness Stupor a state of impaired consciousness, extreme lethargy, and reduced reactivity to outside stimuli Disorientation Coma Tremors Convulsions Muscle weakness Paralysis The symptoms of West Nile virus may look like other conditions or health problems.
There are two types of impetigo:. Shingles is an infection of an individual nerve. It is caused by the same virus as chickenpox — the varicella-zoster virus. Symptoms include:. Scabies is a skin condition caused by a microscopic mite. It is very contagious and spreads easily through person-to-person contact. Eczema is one of the most common skin conditions. It often first develops in childhood. Symptoms depend on the type of eczema and on the age of the individual but they often include:.
Hay fever , or allergic rhinitis , is an allergic response to pollen. Symptoms can be similar to those of a common cold, such as:.
Hay fever can also cause a rash, similar to hives. These will appear as itchy red patches or eruptions on the skin. Scarlet fever is a disease caused by a toxin released by a bacteria — Streptococcus pyogenes — the same bacteria that is responsible for Strep throat. Symptoms include a sore throat, rash, and fever. The rash has the following characteristics:. Rheumatic fever is an inflammatory reaction to a streptococcal infection, such as Strep throat. It most commonly affects children aged Ringworm , despite its name, is caused by a fungus.
The fungal infection affects the top layer of the skin, scalp, and nails. Symptoms vary depending on the site of the infection, but can include:. Measles is a highly contagious disease caused by the rubeola virus. Candidiasis is a common fungal infection of the genitals. It affects both sexes, but more commonly, women.
Stasis dermatitis is also known as varicose eczema. It develops due to poor circulation and most commonly affects the lower legs. Also known as rubella, German measles are an infection caused by the rubella virus. Sepsis , often called blood poisoning, is a medical emergency. It is the result of a wide scale immune response to an infection.
Symptoms vary, but can include:. West Nile virus is an infection spread by mosquitos. Often, there are no symptoms, but if they do occur, they can include:. Lyme disease is a bacterial infection transmitted to humans by the bite of an infected tick. The symptoms include an erythema migrans rash that often appears in the early stages of the disease.
Cellulitis is a bacterial infection of the deep layer of skin — the dermis. It normally occurs when bacteria enter through a break in the skin. MRSA methicillin-resistant staphylococcus aureus is a contagious bacterial infection that is resistant to a range of antibiotics.
This makes it difficult to treat. Chickenpox is an infection by the varicella zoster virus. It is unpleasant, but most people recover within a couple of weeks. Lupus is an autoimmune disease, meaning that the immune system attacks healthy tissue. Symptoms vary widely from person to person, but can include:.
Toxic shock syndrome is a rare condition sparked by a bacterial infection. It develops quickly and can be life-threatening. All people who have toxic shock syndrome have fever and a rash with the following characteristics:. During the first stages of HIV , levels of the virus in the blood are very high because the immune system has not yet started tackling the infection.
Early symptoms include a rash with the following features:.
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