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Table 2 Distribution of O and H antigen types among NMEC and HFEC strains

From: Characterizing the pathotype of neonatal meningitis causing Escherichia coli (NMEC)

NMEC HFEC
O Type No. of Isolates H Type No. of Isolates O Type No. of Isolates H Type No. of Isolates
1 9 1 4 7 4 4 1
2 3 4 6 8 3 5 2
5 1 5 4 9 2 7 5
6 2 7 24 10 1 8 2
7 2 9 1 20 8 11 2
8 6 10 1 36 1 12 1
11 1 18 1 38 1 15 3
15 1 19 3 46 1 18 1
16 2 27 1 68 3 19 1
18 7 6/41 6 73 1 21 1
19 1 POS 2 104 2 34 1
21 1    117 1 39 1
25 2    137 1 42 1
75 3    146 1 49 1
78 1    148 5 53 1
92 1    153 1 6/41 1
107 1    167 2 40/44 1
12/16 2    178 1 NEG 9
M 4    91/167 2 POS 13
NEG 3    M 1   
     NEG 6   
  1. M multiple O types, POS positive fliC PCR amplification but untypeable, NEG negative (no agglutination with O antisera or no fliC PCR amplification)