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Disease name : La Crosse computer virus disease
impress population : La Crosse computer virus disease is a rare viral unwellness that is spread to human via mosquito chomp . The name make out from La Crosse County , Wisconsin , where the disease wasfirst observed by doctors in the 1960s .
Humans can contract La Crosse virus disease after being bitten by a mosquito carrying the virus.
Approximately30 to 90 casesof La Crosse virus disease are report in the U.S. each year . Around60 % of those casesoccur in males , and 90 % affect masses under 20 twelvemonth old .
Transmission of La Crosse virus most often happens in former spring through early nightfall , when mosquito populations prime . Most typeface of the disease occur inupper Midwestern , Mid - Atlantic and Southeastern U.S. states . No cases haveever been reported outside the U.S.
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The La Crosse virus can enter the human brain and attack neurons, causing severe inflammation as it does so.
Causes : La Crosse computer virus disease is because of the La Crosse computer virus , which is circulate to homo via the bites of mosquitoes bear the germ . Most usually , a specie know asAedes triseriatusspreads the computer virus to humans . As their name suggests , these mosquitoestypically breed in holes within trees , and they alsolay eggs in outdoor containersthat retain standing pee .
mass who live , work or spend amateur clip in wooded areas have a higher endangerment of becoming infected with La Crosse virus than others , as they are more likely to come into physical contact withA. triseriatusmosquitoes .
Once inside the human eubstance , the La Crosse virus can infiltrate the cardinal neural system of rules , including the brain , andinfect and harm neuronsthere .
La Crosse virus diseasecannot be unfold from person to person ; the only way people can catch it is directly from mosquito bites . mosquito ca n’t find fault up the computer virus from septic people , because it never reaches a gamy enough concentration in the ancestry . For this reason , humans are considered " dead - end " host of the La Crosse virus . ( In the environs , mosquitoes pick up the virus from small mammal , such as squirrels and chipmunk . )
Symptoms : Around 96 % of people break to La Crosse computer virus do not develop any symptoms . The little percentage who do may ab initio go through a feverishness , head ache , sickness and vomiting . These symptoms can emergewithin three to 10 daysof being bitten by an septic mosquito .
For some people , especially child under 16 , these symptom can then shape up to more severe disease . For example , the computer virus may cause braininflammation , known as phrenitis . Around 75 % of the La Crosse cases that postulate encephalitis fall out in nestling .
The human death charge per unit from La Crosse encephalitis is less than 1 % . However , between 5 % and 15 % of patients who recover from this consideration can go on to experience recurring seizure after the initial infection has passed .
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Treatments : There is no therapeutic for La Crosse computer virus disease , nor a vaccine that can avail prevent contagion . However , affected role with severe symptoms may be givensupportive upkeep in the hospital .
People can reduce their hazard of being infected with La Crosse virus by avoid mosquito bites in the first position . They can do this by using commend insect repellent and assume long - sleeved shirts and pant while alfresco , the Centers for Disease Control and Prevention commend .
This article is for informational determination only and is not mean to offer medical advice .
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