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Table 3 Bacterial hand carriage before hand washing by age of pupils

From: Assessment of bacterial carriage on the hands of primary school children in Calabar municipality, Nigeria

Age (years) No. examined No. (%) of isolates
Staphylococcus aureus Escherichia coli Pseudomonas aeruginosa Proteus vulgaris Total
2–4 25 17(18.7) 9(27.2) 0(0.0) 0(0.0) 26(19.7)
5–7 65 37(40.7) 11(33.3) 3(60.0) 1(33.3) 52(39.3)
8–10 45 28(30.7) 9(27.2) 2(40.0) 2(66.7) 41(31.1)
≥ 11 15 9(9.9) 4(12.1) 0(0.0) 0(0.0) 13(9.9)
Total 150 91(68.9) 33(25.0) 5(3.8) 3(2.3) 132