Myiasis in a Neglected Elderly: Urgent Action Needed in South America.

The determinants of this infestation were advanced age, neglect, and destitution in a patient with an open wound on the face after resection of a basal cell carcinoma. This case illustrates the appalling reality of the marginalized and excluded population of South America. Also of concern is the expansion of myiasis-producing fly populations to areas outside their natural humid and warm habitat. South American governments are called upon to act jointly and effectively against this ominous disease.