Table 3: Sub-groups of Salmonella/ Shigella species and their corresponding antimicrobial testing result deviations observed (per the accepted ranges) (all the information were obtained from WHO-Afro EQAS annual reports of 2008-2013).

Sub-Groups of
Salm/ Shig
isolates		 Ampcillin ceftaxime Cefrazidime Ceftriaxone Chloamphenicol Ciprofloxacin Gentamicin Nalidixic
Acid		 TMP/SMX Tetracycline total
G- A
G-B 1 2 3
G-C 1 1 2 1 1 4 2 1 13
G- D 1 1
G- E 2 2
G- F 1 1
G- G
G- H
Shigella species 2 2
Overall 22

N.B. G= Group A-H; Salm/ Shig= Salmonella / Shigella