Recently the price of this vaccination dropped which was a surprise and great news. Japanese encephalitis is a virus spread by evening and night time feeding mosquitoes in rural parts of Asia . The risk areas extend from Japan and Korea to Pakistan and down to Papua New Guinea. The infection often does not cause symptoms but a few who are infected develope encephalitis (with symptoms such as changes in thinking, weakness, paralysis and seizures) which may be fatal or leave lasting neurological damage. In affected countries children are most commonly affected although travellers of any age may catch it. In the cooler parts of Asia tranmission is greatest in the summer months. In the tropics and subtropics risk varies with rainfall and irrigation practices and may be year round. Pigs and wading birds may carry the virus so the risk to humans is higher where they are found. The vaccine requires 2 doses which were previously given 28 days apart but studies have recently shown that having them as close as a week works well too. It is always hard to know when to have the vaccination and the decision is an indivdual one as it depends on your itnerary and activities. Reducing evening and night time mosquito bites reduces your risk but the vaccination should be considered by those with time in rural or agricutlural areas particlualry if doing outdoor activities or staying in accomdation without airconditioning or screens or nets.
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11/18/2020 11:06:17 pm
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