Pharynx
! I
Nosel
medium
Direct
after
enrichment
I
Gram stained
inoculations
smear
TYPE SPECIH DIAGNNIS
(c
Gl uc Sua. Mn. MIL Le,! Oex. Shrch G/Yl I I I
- \ - \
Gram and Uel Vecchi o
stained smears
Co/onia/ morphology
surface veil
Nub-ienl broIh
FIG. 36. Scheme for C. diphtheriae microbiological diagnosis in cases and/or suspects.