Answer:
Generally interactions of past drugs(which may be immumosupressant ) in the client's blood streams and certain illness usually have great effects on the immune system response and therefore exposure to high risk of infection. Thus in this scenario the medical history of the client should be examined, for relevant data relating to the drug history and illness. Certain Corticosteroids for treatments of asthma, arthritis usually suppress both inflammatory and immune response. Thus the data(drug history) may be a good indicator or factor of susceptibility of the client to illness.
Explanation: