Name of Antibiotic Conc. (mcg) Isolate 1 Isolate 2 Isolate 3 Isolate 4 Isolate 5 Isolate 6 Isolate 7 Isolate 8
Ceftriaxone 30 S S S S S S S S
Chloramphenicol 30 S S S S S S S S
Vancomycin 30 S S S S S S S S
Netilmicin 30 S S S S S S S S
Erythromycin 15 S S S S S S S S
Ciprofloxacin 5 S S S S S S S S
Cefuroxime 30 S S S S S S S S
Amikacin 30 S S S S S S S S
Gentamicin 10 S S S S S S S S
Cloxacillin 1 S S S S S S S S
Ampicillin 10 R S R R R S S S
Ceftazidime 30 R R R R R R R R
Cefepime 30 R R R R R R R R
Cephalexin 30 R R S R S R R S
Nalidixic Acid 30 R R R R R R R R
Imipenem 30 S S S S R S S S
Neomycin Sulphate 30 S S S S S S S S
Polymyxin 30 S S S S S S S S
Tetracycline 30 S S S S S S S S
Cephataxime 30 S S S S S S S S
Streptomycin 10 S R R R R S R R
Trimethoprim 23.75 R R R R R R R R
Table 3: Antibiotic Susceptibility Patterns of the 8 isolates of Serratia marcescens.