don't wish to put the mockers on red nose day, but, have you seen the problems with contracting malaria?
well for those that think it may be worth taking a chance, and not taking precations!!! your probably wrong and the risk is, dying of it. there is no cure. you may not die, but there will always be reoccurring problems.
bear in mind that Goa is a MEDIUM RISK AREA!!!!!
guess its up to you.