The study was conducted on new-born babies in whom septicemia was suspected, to determine the prevalence of bacterial strains isolated and their sensitivity to antimicrobial drugs. The study was carried out at La Paz Medical Center, Microbiology section, Malabo, Equatorial Guinea from August 2013 to October 2015. Out of 293 septicemia suspected cases, 29 (10%) blood cultures were positive, 28 with bacterial growth and 1 with growth of Candida sp. The mortality rate of neonates caused by Gram negative bacterial sepsis was 34.7%. Among the Gram negative bacteria (24 isolates), the most common types were Klebsiella pneumoniae (16 = 69.6%), followed by Escherichia coli (4 = 17.4%) and Acinetobacter species (4 = 17.4%). Four Gram positive bacteria were also isolated and identified all ascoagulase-negative staphylococci. All the Klebsiella pneumoniae isolates and Acinetobacter species demonstrated Multi Drug Resistance against different antibiotics with Extended-spectrum β-lactamase (ESBL) activity. The most frequent causative agent of bacterial sepsis in new-born children was Klebsiella pneumoniae. An alarming level of Multi Drug Resistance (MDR) Klebsiella pneumoniae strains to the first choice antibiotic treatment was observed.
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