Wiktionary
immunocompromised
a. (context immunology English) Having an immune system that has been impaired by disease or treatment.
WordNet
immunocompromised
adj. unable to develop a normal immune response usually because of malnutrition or immunodeficiency or immunosuppressive therapy
Usage examples of "immunocompromised".
Besides, the fact that some of these particular individuals may have been immunocompromised does not alter the fact that the bacteria infecting them proved resistant to a wide spectrum of antibiotics, possibly all antibiotics.
It is only to be expected that the immunocompromised among a community would succumb to infection ahead of the rest.