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Call to be alert about mosquito-borne diseases - Professionals fear outbreak of illness

24 Mar, 2008 08:25 AM
With many cases of Ross River Fever already reported in Dubbo and mosquito numbers on the rise, health professionals fear an outbreak of the possibly deadly illness Murray Valley Encephalitis could be on the way.

Sentinel chickens on the banks of the Macquarie Marshes were reported to have contracted Murray Valley Encephalitis from mosquitos, however so far no human cases have been reported.

According to kidshealth.org encephalitis is an inflammation (swelling) of the brain.

It is usually caused by a virus, but other things, including bacteria, may cause it as well.

Greater Western Area Health Service (GWAHS) area manager for population health Tony Brown said that while the Murray Valley Encephalitis has the potential to cause death, most cases aren’t serious.

“Symptoms of Murray Valley Encephalitis include confusion, headache, neck stiffness, fever, vomiting and lethargy,” Mr Brown said. “Most people who are infected do not get ill but in about a quarter of those with symptoms the illness can be fatal or leave residual effects.

“There has been a large number of Ross River Fever cases reported in Dubbo recently, however there have been no reported cases of Murray Valley Encephalitis in humans since 1974.

“We need to be alert, but not alarmed,” he said.

Mr Brown believes the illness was carried down by birds that migrated from the northern parts of Australia.

With the recent rain and the warmer temperatures, residents in the western region are being warned that mosquito bites could be more than just a nuisance.

“If you’re heading out at dusk or dawn you should protect yourself by wearing repellent, light coloured clothing, trousers and long-sleeved tops,” Mr Brown said.

“Campers should also ensure that all mosquito netting is in good order,” he said.

For further information about Murray Valley Encephalitis contact 6841 5569.

anna.yeo@ruralpress.com

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Reported cases of the fatal Murray Valley Encephalitis disease among sentinel chickens have prompted a warning to be aware of the impact of mosquito-borne diseases.
Reported cases of the fatal Murray Valley Encephalitis disease among sentinel chickens have prompted a warning to be aware of the impact of mosquito-borne diseases.

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