There are over 100,000 species of fungi. Many fungi are good and useful (edible mushrooms would be an example of these) while some cause problems (some fungi can injure plants and humans). Every week the IEQ Review will describe a specific microorganism, its morphological origin and potential health effects. If you would like to know about a specific organism and/or would like it published in The IEQ Review please email Dr. Rajiv Sahay with the Environmental Diagnostics Laboratory (EDL) at Pure Air Control Services laboratory@pureaircontrols.comThis week we will cover ... Escherichia coli 
Escherichia coli is an aerobic gram-negative bacillus that grows readily on most microbiological media. It is part of the normal intestinal flora of humans and animals and have been isolated from soil, water and sewage. It is an opportunistic pathogen for humans and animals.
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