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West Nile fever is an infection by the West Nile virus, which is typically spread by mosquitoes. [1] In about 80% of infections people have few or no symptoms. [2] About 20% of people develop a fever, headache, vomiting, or a rash. [1]
The illness is typically characterised by flu like symptoms combined with polyarthritis and a rash. The virus is endemic to mainland Australia and Tasmania, the island of New Guinea, Fiji, Samoa, the Cook Islands, New Caledonia and several other islands in the South Pacific. [1] The illness is Queensland's most prolific mosquito-borne disease. [2]
Some people develop symptoms similar to the flu, such as a fever, headache, chills, fatigue, and muscle and joint pain. Some people also develop a distinctive "bullseye" rash, as described above ...
A mosquito's period of feeding is often undetected; the bite only becomes apparent because of the immune reaction it provokes. When a mosquito bites a human, it injects saliva and anti-coagulants. With the initial bite to an individual, there is no reaction, but with subsequent bites, the body's immune system develops antibodies. The bites ...
Symptoms of EEE may include: Fever. Headache. Vomiting. Diarrhea. Seizures. Behavioral changes. Drowsiness “The least concerning symptoms are a flu-like syndrome that can last a week or so ...
Both fleabites and mosquito bites cause itching, but there are ways to tell them apart based on symptoms. Fleabites A fleabite can look like other insect bites , which makes it difficult to identify.
For example, the human body louse transmits the bacterium Rickettsia prowazekii which causes epidemic typhus. Although invertebrate-transmitted diseases pose a particular threat on the continents of Africa, Asia and South America, there is one way of controlling invertebrate-borne diseases, which is by controlling the invertebrate vector.
Sloth fever virus is most common in sloths (hence, the name), plus birds and non-human primates like monkeys. But it can spread to people through the bite of certain insects like mosquitoes.