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Travel Medicine Alliance eNewsletter

Travel Medicine Alliance Travel Update - Read on-line here

TRAVEL MEDICINE ALLIANCE UPDATE
Travel Medicine Alliance eUpdate - health news & information for international travellers
March 2008

1300 42 11 42

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In this issue:

Hepatitis E and the Traveller
Japanese Encephalitis
Australian Creepy Crawlies
Outbreak information Paraguay: yellow fever - WHO update

Do you have a holiday story to tell, especially one with a medical event?

Send it to info@travelmedicine.com.au, and we will send you one of our mini TMA torches to put on your key ring - a great help when finding your lock at night.

Whether you are travelling overseas, or you are assisting others to travel overseas, this update will provide you with information on some of the important travel health news for that month. Please feel free to forward this to anyone who is interested. New people can sign up here.

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Hepatitis E and the Traveller

Hepatitis means inflammation of the liver, and for a traveller this usually means a viral cause. Many people will be familiar with ... hepatitis A [from contaminated water and food, and infected contacts - vaccine preventable]; hepatitis B [blood and bodily fluid transfer including sex - vaccine preventable]; and hepatitis C [needle use and transfusions - no vaccine].

Just when you thought you had the hang of hepatitis along comes hepatitis E. Of course it's not new but has become increasingly recognised as a problem in some parts of the world especially India, Nepal and Northern Africa. Like hepatitis A it causes an acute illness with general unwell, fever, nausea, fatigue, vomiting and you get to turn yellow [jaundiced]. Now most people bounce back after a couple of weeks and unlike hepatitis A, you can't give it to your friends and family however it's a holiday souvenir you could do without. Particularly in pregnant women, as about 15%-20% of them die from contracting hepatitis E.

This is a disease of poor sanitation where the water supply has been contaminated by sewerage. The is no vaccine for this disease so prevention involves strict care with water, and food tainted by that water. Use boiled or bottle water for drinking and cleaning your teeth, no ice and no opening you mouth when showering are the standard to aim for as well as making healthy food choices.

Oh ... I hadn't forgotten Hepatitis D but this is not really a problem for travellers, occurring in chronic hepatitis B carriers in complicated circumstances.

... prepared by Dr John Kenafake, Travel Medicine Alliance Sunshine Coast


Japanese Encephalitis

Melbourne recently hosted the Asia Pacific International Travel Medicine Conference. This major event allowed TMA members to rub shoulders and share ideas with Australian and International experts in travel medicine. The three intense days of lectures and discussions were very informative but it was also reassuring to realise what we do in our clinics fits in with what the best in the world is doing.

Malaria, dengue fever, Japanese Encephalitis were but a few of the more important issues discussed.

As the current vaccine for Japanese Encephalitis [a mosquito borne virus that can affect your brain and cause death and disability] is no longer made and the disease occurs on our door step [South East Asia] we were updated on the status of replacement vaccines due in the next few years. TMA clinics still have access to the current vaccine for certain travelers.


Distribution of Japanese Encephalitis 

... prepared by Dr John Kenafake, Travel Medicine Alliance Sunshine Coast


Australian Creepy Crawlies

Australians often take a perverse pride in telling foreign visitors about our dangerous creatures. Many an overseas tourist would have expected to see snakes in the streets and dorsal fins circling our beaches.

Now while it's true we have a collection of highly toxic snakes, that doesn't necessarily translate into a significant number of deaths from envenomation ... only about 2-3 fatalities per year. Enough you might say but this pales into insignificant compared with the 100,000 deaths a year in India and South east Asia. This is caused by big populations, lots of dangerous snakes and variable access to antivenom and health care.

So for the Aussie adventure traveler it is wise to keep this in mind ... most bites are accidental and can be avoided if the snake has a chance to avoid confrontation or contact. First aid involves pressure bandaging of the bitten area and immobilizing via splintage and [hopefully] bringing help to the victim.

Even non venomous bites carry a risk of tetanus so it's wise to update before travel especially for those going off the ‘beaten track '.

Box jelly fish are the scourge of our northern summers but according to Dr Peter Fenner from Mackay [world authority on these floating time bombs] they are not unique to our shores.


Papuan Taipan – very common around Port Moresby


Chironex fleckeri


... used with kind permission Dr Peter Fenner

In the last 100 years we have had 72 known deaths but they have 20-50 deaths a year in the Philippines as well as 11 deaths a year in Thailand and a scattering across Indonesia and the Solomons. Help revolves around vinegar to inactivate the stinging cells, cardiopulmonary resuscitation and antivenom and pain relief.

... prepared by Dr John Kenafake, Travel Medicine Alliance Sunshine Coast


Outbreak Information

Paraguay: yellow fever - WHO update

The Ministry of Public Health and Social Welfare (MSPBS) of Paraguay has reported that more than 1.27 million people have been vaccinated against yellow fever (YF) in 18 departments [state or province equivalents], with coverage reaching 83% of the population in Asuncion and 75 percent in the Central Department [the focal areas of the YF outbreak].

The number of confirmed cases of yellow fever (YF) has risen with 6 new cases and is now at 22 cases, including 6 deaths, according to Ministry figures, with 11 cases in San Pedro, 9 in Laurelty, and 2 in other areas. Another 12 suspected cases are being investigated.

... for more info about Yellow Fever visit www.yellowfever.com.au


Do you have a holiday story to tell, especially one with a medical event?

Send it to info@travelmedicine.com.au, and we will send you one of our mini TMA torches to put on your key ring - a great help when finding your lock at night.

1300 42 11 42

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Email: info@travelmedicine.com.au
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