. "f the cardiopulmonary and circulatory systems, specific organ failure, dysfunction of an organ or system or transplanted organ such as asthma for the lungs, kidney failure for the kidney, arteriosclerosis or atherosclerosis of the heart, and transplantation of lung, kidney or heart; class of pathogen, or a specific pathogen; for example instructions or content may be based upon viral infection, or" . . . .