Cooling Towers may Cause Severe Respiratory Diseases

The cooling towers on top of many large commercial buildings hold a high number of infected amoebas that may pose a threat to human health, says a new study. Sharon Berk and colleagues of Tennessee Technological University sampled 40 cooling towers in hospitals, universities and industries and 40 natural environments including lakes, rivers, creeks and ponds. They found infected amoebas in 22 of the cooling towers and only three in the natural samples. They found infected amoebas in the ...]]>