Keeping mosquitoes at bay, using insect repellents, and wearing clothing that fully covers your arms and legs is a good start. It is best to avoid being outside during dawn or dusk since these are the times when mosquitoes are most active.
Also, Screens on windows and doors are an effective way to guard your home against mosquitoes. If you plan to visit any area where mosquito-borne illnesses are prevalent, it is wise to speak with your doctor about possible preventive medications and additional safeguards - such as bed nets - that can decrease the risk of catching a disease.