EDINBURG – Officials with the Hidalgo County Health and Human Services Department are reporting four new cases of West Nile virus and three new cases of Dengue Fever – two mosquito-borne illnesses that serve as reminders that Hidalgo County is in the middle of mosquito season. “In many areas of the country, mosquito season is typically during the summer,” said Health and Human Services Director Eduardo Olivarez. “But in South Texas, we see mosquito-borne illnesses more often in October, November and December.” Olivarez said this makes sense for the Rio Grande Valley because as the weather cools off people have more of ...