Table 1.

Some features of illnesses attributed to the exposure of microbial particles

	Pulmonary mycotoxicosis	DBRI	HP
Exposures required	Single	Repeated (see text)	Repeated
Consequence of re-exposure	Activity of illness can decrease	Activity of illness increases	Activity of illness increases
Susceptibility of the exposed	All of the exposed can develop illness	Part of the exposed develop illness (see text)	Part of the exposed develop illness
Cells increased in BAL	neutrophils macrophages lymphocytes	lymphocytes, macrophages ?	lymphocytes, macrophages