Methods Observation made in diferent subsets of population who had insect and sting allergy (bees, wasps, scorpions, mosquitos parasites etc). 1) Immunocompetent population in the developing world engaged in farming and related activities regularly exposed to all gradient of allergens like dust molds, dander, pets, etc and when they are exposed to insect and mosquito bites, bees and wasps sting...
