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Director of Medical and Health Services: Sir, as the
anopheles mosquito is largely found in the rural areas
and feeds at night, anti-malaria medication prophylactically
is not recommended for travellers who will visit only
urban centres of Asia or will have only daytime exposure
in rural areas. However, such travellers should be
advised to observe general precautions to minimise
mosquito contact and to seek prompt medical attention in
the event of febrile illness either during or after their
trip. Travellers who veer from the usual tourist routes
of these areas and who have outdoor exposure in rural
malarious areas during evening and night time hours should
be given anti-malarial medication. In case of doubt, the
Port Health Office will give advice to individual travellers.