Home Mosquito bite avoidance: advice for travellers – GOV.UK

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Updated 24 January 2023

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This publication is available at https://www.gov.uk/government/publications/mosquito-bite-avoidance-for-travellers/mosquito-bite-avoidance-advice-for-travellers–2
In many countries, mosquito bites can spread diseases like chikungunya, dengue, Japanese encephalitis, malaria, West Nile virus, yellow fever and Zika. They can result in serious illness and some may even be fatal.
Avoid insect bites at all times including during the day. It is important to:
Mosquitoes that spread chikungunya, dengue, West Nile virus, yellow fever and Zika mainly bite during the day and at dusk.
Mosquitoes that spread malaria mainly bite in the evening and at night.
Check travel health advice for your destinations, including disease and other health risks for each country and how best to reduce them, using NaTHNaC’s country information pages.
See your practice nurse, GP, pharmacist or a travel clinic, ideally 4 to 6 weeks before travel to get appropriate advice for your trip.
Yellow fever vaccine is recommended for certain countries, and antimalarial tablets may be advised to protect against malaria for some destinations.
If you have health problems, are pregnant or planning pregnancy it is particularly important to get tailored pre-travel advice 6 to 8 weeks before travel. With careful preparation, most pregnant women are able to travel without experiencing health problems.
It is important to use an insect repellent day and night, indoors and outdoors, on any exposed skin.
A product with 50% DEET is recommended as a first choice. If DEET is not tolerated, use of a repellent containing the highest strength formulation available of either icaridin (20%), eucalyptus citriodora oil, hydrated, cyclised or 3-ethlyaminopropionate is recommended.
When possible, wear clothing with long sleeves, trousers, skirts and dresses, socks and shoes to stop mosquitoes biting your skin.
Permethrin (an insecticide) treated clothing and bed nets provide additional protection against biting mosquitoes.
If your accommodation is not air-conditioned or if you are sleeping outdoors, use insecticide-treated mosquito nets.
Check your net for rips and tuck the ends under the mattress.
There may also be a risk of bites from ticks and other insects; the same protective measures will help reduce bites from these too – more information is available at TravelHealthPro.
Suspected malaria is a medical emergency and must be quickly excluded or treated. If you visit a malaria risk country and have a fever (38˚C or more), flu-like symptoms or any unusual symptoms during or after travel you must get urgent medical attention. Don’t wait until you return to the UK if you are unwell; get medical help abroad.
Other infections including dengue and West Nile virus can also cause serious illness.
If you are ill after your return, tell your doctor about the trips abroad you took in the past year. If you have been to a tropical country, ask for a malaria blood test.
Visit the National Travel Health Network and Centre (NaTHNaC).
Don’t include personal or financial information like your National Insurance number or credit card details.
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At SeeVay, we know that the safety and well-being of your baby is your top priority. That’s why we’re dedicated to providing you with the tools you need to make sure you’re always on top of your baby’s safety. We understand that being a new mom can be overwhelming, and there’s so much information out there that it can be hard to know where to start.

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