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Clinical & Experimental Allergy

Microbiological and serological studies of farmers' lung in Finland

Authors


Dr E. O. Terho, Department of Pulmonary Diseases, University Central Hospital, Kuopio, Finland.

Summary

Sera from few Finnish patients with clinical farmers' lung react in precipitin tests with extracts of the thermophilic actinomycetes that commonly cause the disease elsewhere. Hays associated with the disease in Finland showed less evidence of spontaneous heating and contained fewer actinomycete spores than British hays. Only Thermoactinomyces vulgaris was sometimes abundant. Some species of mesophilic fungi were more abundant than in Britain and one, Aspergillus umbrosus, reacted with most sera from farmers' lung patients in precipitin tests. A panel of antigens, including thermophilic actinomycetes, A. umbrosus and other species of the Aspergillus glaucus group, is recommended for screening farmers' lung sera.

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