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Is there a risk of catching HIV from an insect bite when abroad

01:00 Mon 28th May 2001 |

asks Sander:

A. There doesn't appear to be. It's believed that, when you are bitten, the mosquito (or whatever biting insect it is) injects some of its own saliva into you, rather than the blood of a previously bitten person. Also, the HIV virus can only live for a short time in the insect, and won't reproduce in it, so the insect itself doesn't become infected with the virus.

Q. How can I avoid being bitten by mosquitoes at all
A.
First you need an effective insect repellent (always apply it on top of your sunscreen). Most contain DEET, but the new eucalyptus-based types have also been shown to be effective for hours. You should also keep your arms and legs covered after sunset. Your bedroom will need a few precautions, too. Use an insect repellent spray or a plug-in insecticide vaporiser in your bedroom half an hour before you go to bed. Always keep the window/screen closed from before dusk until morning, and use an impregnated mosquito net over your bed. (Mosquitoes and midges in this country do not carry disease, but they can inflict nasty bites which are extremely painful and itchy.)

Q. Do mosquitoes bite everyone
A.
Not to the same extent. Studies show that you're either a mosquito person or you're not: they are more attracted to certain people, and can detect their breath up to 40 miles away! They are also attracted to aftershave, perfumes or scented deodorants. However, malaria can be fatal, so everyone should take precautions.

Q. What should I do
A.
Visit your GP at least three weeks before you travel to get the appropriate anti-malarial drug (it's vital that you keep on taking it for four weeks after you return in case of any bites in the last days of your holiday). For more information about malaria and malarial drugs, visit the MASTA website.

Q. How do I know if I've got malaria
A.
The first signs are flu-like symptoms: usually uncontrollable shivering, followed by an extremely high temperature, then severe sweating. There may also be a headache and vomiting. Even if you take anti-malarial drugs, you may develop malaria, so see your GP immediately if you develop any of these symptoms after holidaying in a malarial country.

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By Sheena Miller

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