how long does it take for west nile symptoms to show?
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Most West Nile virus infections occur during warm weather, when mosquitos are active. The incubation period — the period between when you're bitten by an infected mosquito and the appearance of signs and symptoms of the illness — ranges from two to 14 days.
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Most of these signs are obvious to even an untrained observer, but within a short period of time, usually within 3 to 5 days, the virus has caused enough damage to the brain that the animal begins to show unmistakable signs of rabies.
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Symptoms of norovirus illness usually begin about 24 to 48 hours after ingestion of the virus, but they can appear as early as 12 hours after exposure.
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Less than 1% of people infected with Japanese encephalitis (JE) virus develop clinical illness. In persons who develop symptoms, the incubation period (time from infection until illness) is typically 5-15 days. Initial symptoms often include fever, headache, and vomiting.
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Signs and symptoms The incubation period (the time from exposure to symptoms) of Zika virus disease is estimated to be 3–14 days. The majority of people infected with Zika virus do not develop symptoms.
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Symptoms usually begin between 24 and 48 hours after exposure to the virus and can last for one or two days.
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For most people, symptoms begin 10 days to 4 weeks after infection, although a person may feel ill as early as 7 days or as late as 1 year later. Two kinds of malaria, P.
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Cold symptoms usually start about 2 or 3 days after you came in contact with the virus, although it could take up to a week. Symptoms mostly affect the nose. The most common cold symptoms are: Nasal congestion.
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Typical time it takes for symptoms to show up once you've caught the virus is one to four days. Adults can be contagious from the day before symptoms begin through five to 10 days after the illness starts. From: What Are Your Odds of Getting the Flu?
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Symptoms usually begin 1 to 3 days after exposure to the virus, and can last 1 to 2 weeks.
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Human infection with Zika virus In those who do get symptoms, the most common finding is an itchy red rash. Fever, headache, joint and muscle pains, and inflamed eyes are also frequent. People typically recover in 2 to 7 days, and death is rare.
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Dengue is a viral disease spread through mosquito bites. Symptoms include fever, headache, nausea, vomiting, rash, pain in the eyes, joints, and muscles, and minor bleeding. If you are bitten by an infected mosquito, symptoms can take up to 2 weeks to develop but usually last less than a week.
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How soon do symptoms appear? Symptoms usually appear three to six days after exposure. How is hand, foot and mouth disease spread? The disease is spread by contact with nose and throat discharges, blister fluid and feces of infected people.
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Usually the symptoms develop between 5 days and two weeks after exposure to an infected person or surface. People are thought to be infectious from a day or two prior to the onset of symptoms until around 2 weeks after symptoms develop.
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If symptoms develop, they usually appear 2 to 7 weeks after infection. Symptoms usually last less than 2 months, although some people can be ill for as long as 6 months. If symptoms develop, they can include: Yellow skin or eyes.
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It usually takes four to 12 weeks for a person to develop rabies symptoms once they're infected. However, incubation periods can also range from a few days to six years. The initial onset of rabies begins with flu-like symptoms, including: fever.
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Symptoms usually appear within 2 weeks of exposure. The first outbreak is usually the worst. At first, you might develop some flu-like symptoms. Then you might feel itchy or have an uncomfortable feeling around your genitals or mouth before the lesions appear.