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Cephapirin
Cephapirin
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Microorganism
MIC50
(μg/ml)
MIC90
(μg/ml)
Range
(μg/ml)
Reference
Diplococcus pneumoniae
-
-
<0.045 - 0.37
1405
Enterobacter
spp.
-
-
12.5 - ?
1410
Enterococcus
-
-
6.2 - 25
1405
Erwinia
-
-
12.5 - >100
1405
Escherichia coli
-
-
3.12 - 25
1410
Escherichia coli
-
-
6.2 - >100
1405
Klebsiella
-
-
3.1 - 12.5
1405
Klebsiella pneumoniae
-
-
0.2 - 25
1410
Neisseria gonorrhoeae
(penicillin-resistant)
2.3
4.1
1 - 8
1408
Neisseria gonorrhoeae
(penicillin-susceptible)
0.65
5.6
0.06 - 16
1408
Nocardia asteroides
50
-
6.3 - >=400
1404
Proteus mirabilis
-
-
0.78 - 25
1410
Pseudomonas
-
-
>100 - ?
1405
Salmonella
-
-
3.1 - >100
1405
Serralia
-
-
>100 - ?
1405
Staphylococcus aureus
(penicillin-resistant)
-
-
<0.045 - 12.5
1405
Staphylococcus aureus
(penicillin-resistant)
-
-
0.2 - 12.5
1410
Staphylococcus aureus
(penicillin-susceptible)
-
-
0.09 - 3.1
1405
Staphylococcus aureus
(penicillin-susceptible)
-
-
0.2 - ?
1410
Staphylococcus epidermidis
-
-
<0.045 - 100
1405
Streptococcus pneumoniae
-
-
0.2 - ?
1410
Streptococcus pyogenes
-
-
<0.045 - 0.75
1405
Streptococcus pyogenes
-
-
0.2 - ?
1410
Streptococcus viridans
-
-
0.09 - 0.37
1405