By Charles Haas, PhD Forty years ago next month, more than 200 cases of Legionnaires’ disease, resulting in 29 deaths, occurred at hotel hosting an American Legion conference in Philadelphia — giving the disease its […]

By Charles Haas, PhD Forty years ago next month, more than 200 cases of Legionnaires’ disease, resulting in 29 deaths, occurred at hotel hosting an American Legion conference in Philadelphia — giving the disease its […]
From November of 2001 to January of 2002 a contaminated cistern that had collected rain water for the village of Santa Isabel do Ivaí Paraná, Brazil infected more than 600 people with a parasitic disease […]