The precise type of opportunistic infection (bacterial, viral, fungal, or protozoan/parasitic) that occurs depends on the type and extent of immunologic alteration, whether it is cellular, humoral, phagocytic, or a combined defect; and on organisms present inside and outside the body.
Definition of clammy. clammier. ; clammiest. 1 : being damp, soft, sticky, and usually cool cold clammy hands clammy air. 2 : lacking normal human warmth the clammy atmosphere of an institution.
You can describe something that is unpleasantly cool, damp, and clammy as dank. If you have ever visited a cave or unfinished basement, you know how a dank place feels. Yuck. The adjective dank is often used to describe places that would have moist or damp walls. A dank cave can provide hundreds of bats shelter, but you probably wouldn't want to visit them.