Normal commensal flora on the body

Normal commensal flora of the external ear

Staphylococcus epidermidis

Corbybacterium species

Staphylococcus aureus

Streptococcus viridans

Candidiasis – oral cavity, GIT, skin

Non pathogenic species of neisseria –

Upper respiratory flora – N. Mucosa, N. Sicca, N. Lactamica, N. Flavascens, N. Subflava

Corneybacterium as flora

Oral cavity – corneybacterium hoffmanii

Conjunctiva – corneybacterium xerosi

Axillae, groin – corneybacterium jeikium, corneybacterium urealyticum

C jeikium can cause bacteremia is immunocompromised individuals

Clostridium as flora-

Gi flora – clostridium perfringes, clostridium tetani, clostridium ramosum

Grp B streptococcus (S. Agalactiae) 30% of women are vaginal or rectal carrier.

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