http://www.fitfortravel.scot.nhs.uk/...laria-map.aspx
http://www.traveldoctor.info/vaccina...pines.113.html
Just a couple of links to malaria maps of the philippines.
NB LArium/Mefloquine is best avoided if you have an option. It has LOADS of side effects, including feeling like you want to kill yourself or others. NOT good IMHO