Over the last few months public health guidance to prevent the spread of COVID-19 has called on people to wash hands, stifle sneezes, wear masks and keep their distance — measures to contain particles expelled […]
Tag: risk assessment
Quick Take: Environmental Engineers Can Help Us Understand How COVID-19 Travels
Around the world people are staying inside, keeping their distance from others, washing hands and sterilizing surfaces in hopes of slowing the spread of COVID-19. To understand why these measures are necessary and what others […]
We Need A Safe ‘Breathing Water’ Act
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 […]
Staying Upstream of Water Contamination
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 […]
Learning from Sandy: Is Philadelphia Prepared for the Next Natural Disaster?
The past 10 years were the costliest in U.S. history with regard to natural disasters. Hurricane Sandy left 131 Americans dead, more than 6 million without power and $50 billion worth of damages, making it […]