| - Virus - Mycoplasma
 - Rickettsias:
 
- Bacterias:
Rickettsia rickettsii
Rickettsia prowazekii 
- Hongos:
- Protozoos:
Listeria monocytogenes
Brucella sp.
Treponema pallidum
(Sífilis meningovascular)
Leptospira sp.
Borrelia sp.
Mycobacterium tuberculosis
Nocardia sp.
Actinomyces sp. 
Naegleria
Acanthamoeba
Plasmodium falciparum
Trypanosoma sp.
Toxoplasma |