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  1. Development Resources

Ampicillin – Oral, Injection Products

Recognized Interpretive Criteria

 

Minimum Inhibitory
Concentrations

(mcg/mL)

Disk Diffusion
(zone diameter in mm)

Pathogen

S

I

R

S

I

R

Enterobacterales

M100 standard is recognized

Enterococcus spp.

M100 standard is recognized

Haemophilus influenzae
and Haemophilus parainfluenzae

M100 standard is recognized

Streptococcus spp.
β- Hemolytic Group

M100 standard is recognized

Streptococcus spp.
Viridans group

M100 standard is recognized

-

-

-

Neisseria meningitidis

M100 standard is recognized

-

-

-

S = Susceptible; I = Intermediate; R = Resistant

 
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