nonspecific

adjective6

1. •
   Not specific or precise.
2. •
   Not specific to one possible cause; caused by any of various possible causes.
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.
6. •
   That does not just stain one type of tissue.