Humoral immune dysfunction
(eg, Common Variable Immunodeficiency, CVID, myeloma) and asplenia
- Encapsulated bacteria:
- S. pneumo,
- H. flu,
- N. meningitidis
- (vaccinate against these 3, ideally prior to splenectomy)
- Other bacteria:
- E. coli and other GNRs,
- Capnocytophaga: Many kinds of bacteria (germs) called Capnocytophaga live in the mouths of dogs and cats
- Parasites:
- Babesia,
- Giardia;
- Viruses:
- VZV,
- echovirus,
- enterovirus