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Table 1. Sources of Antigens Known to Cause HP
Matter Typical Sources HP "Disease"
Organic Particulate Matter
I. Microbes
Yeasts
Candida spp. Contaminated misting fountains
and humidifiers
Humidifier lung
Geotrichum candidum Moldy hay, compost,
mushrooms
Farmer's lung
Saccharomyces cerevisiae Contaminated swimming pools Footcare alveolitis
Saccharomonospora viridis Contaminated wind instruments Candida alveolitis
Saccharopolyspora rectivirgula Human intestine, fingernails,
and skin
Indoor-air alveolitis
Torulopsis glabrata Milk mold Yeast-powder
alveolitis
Trichosporon cutaneum Baker's yeast, brewer's yeast,
wine yeasts
atched-roof lung
Contaminated houses Mushroom worker's
lung
Dried grasses, leaves Summer-type HP
Compost Wind-instrument
lung
Mushrooms
Edible mushrooms
Mushrooms (shiitake,
bunashimeji, Pleurotus,
Pholiota, Lyophyllum,
Agaricus)
Mushrooms growing in indoor
environments
Mushroom grower's
lung
Bacteria
Acinetobacter spp. Contaminated water, whirlpools Machine operator's
lung
Bacillus spp. Contaminated machine fluid Humidifier lung
Klebsiella spp. Sewage treatment plants Woodworker's lung
Nontuberculous mycobacteria Sawdust Detergent worker's
alveolitis
Phoma spp. Moist wood Summer-type HP
Pseudomonas spp. Detergents Farmer's lung
Stenotrophomonas spp. Biological cleaning agents Hot-tub lung
Staphylococcus spp. Washing powders Whirlpool alveolitis
(cont'd)
