Nonspecific

Adjective

1. Not specific or precise, as: Not specific to one possible cause; caused by any of various possible causes.

   "See also: nonspecific symptom, specificity"

2. Not specific to one possible cause; caused by any of various possible causes.

   "See also: nonspecific symptom, specificity"

3. Not specific to one pathogen; affecting multiple strains or species of pathogen.
4. Not known to be caused by any specific pathogen.
5. Not caused by previous infection or vaccination, and/or affecting more than one antigen.