Aspergillus fumigatus - a common but sometimes lethal soil fungus

Aspergillus fumigatus is a fungus found commonly in ordinary garden soil. When the spores of the fungus are inhaled, It can also cause disease–sometimes fatally in those with already compromised immune systems and respiratory disease such as COPD. Doctors who treat the illness have long-recognized that in some patients, the fungus is resistant to standard treatment with chemicals called azoles. The problem becomes potentially worse as azoles are also heavily used as farm fungicides. A team of Dutch researchers (Verweij and Kema), reporting in last December’s edition of the medical journal The Lancet Infectious Diseases suggest that over-use of the farm fungicide may be contributing to the growing resistance of this fungus to the disease-fighting chemicals.

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