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.
Another symptom that is associated with both cold/clammy hands, is a discoloration of the fingers to a somewhat red or blueish color. The reason this sometimes happens is typically due to vaso constriction of the blood vessels. This slows the flow of blood in those areas of the body (hands and feet).