The state of Maryland has reported the first human case of new world screwworm (NWS) in a person who travelled to an affected area. Reports vary citing both El Salvador and Guatemala.   A statement from the Maryland Department of Health provides the details:  This is the first human case of travel-associated New World screwworm myiasis (parasitic infestation of fly larvae) from an outbreak-affected country identified in the United States. Currently, the risk to public health in the United States from this introduction is very low. According to a spokesperson for the Maryland Department of Health, the resident has recovered from the infection and “there is no indication of transmission to any other individuals or animals...