Robertsville Middle School teacher Mardee Miller, pictured last week, shows a shoe made of old blue jeans and cutout tire tread that will keep sand fleas from burrowing into Ugandan children's feet.

Jiggers are small parasitic fleas, also known as chigoe flea, which usually enter their victims through their feet, causing parts of the body to rot leading to a horrific death. We lack drugs for ...