Previous studies of the effects of infections on atopy and allergy have studied the role of viral, bacterial and protozoal infections in developed countries and one study from a developing country investigated viral and bacterial infections in the context of endemic helminth infections [17]. However, to the best our knowledge, no previous study has examined the effects of co-infections with intestinal and systemic helminth infections on the modulation of atopic and allergic disease markers,as done in the present study