Volume 23, Number 10—October 2017
CME ACTIVITY - Research
Enteric Infections Circulating during Hajj Seasons, 2011–2013
Table 3
Characteristics of etiologic agents associated with enteric infections among persons infected during their travel for Hajj, 2011–2013*
Characteristic | Year |
Total | ||
---|---|---|---|---|
2011 | 2012 | 2013 | ||
No. screened samples | 118 | 297 | 129 | 544 |
Samples positive for agent, no. (%) |
51 (43.22) |
120 (40.40) |
57 (44.19) |
228 (41.91) |
Bacterial agents, no. (%) | 41 (34.75) | 96 (32.32) | 52 (40.31) | 189 (34.74) |
Salmonella | 13 (11.02) | 25 (8.42) | 24 (18.6) | 62 (11.4) |
Shigella/EIEC | 5 (4.24) | 28 (9.43) | 8 (6.2) | 41 (7.54) |
ETEC | 12 (10.17) | 29 (9.76) | 7 (5.43) | 48 (8.82) |
EPEC | 3 (2.54) | 5 (1.68) | 8 (6.2) | 16 (2.94) |
EHEC | 2 (1.69) | 2 (0.67) | 0 | 4 (0.74) |
DAEC | 3 (2.54) | 1 (0.34) | 3 (2.33) | 7 (1.29) |
EAEC | 3 (2.54) | 2 (0.67) | 2 (1.55) | 7 (1.29) |
Yersinia enterocolitica |
0 |
4 (1.35) |
0 |
4 (0.74) |
Viral agents, no. (%) | 6 (5.08) | 7 (2.36) | 1 (0.78) | 14 (2.57) |
Astrovirus | 0 | 2 (0.67) | 1 (0.78) | 3 (0.55) |
Norovirus | 2 (1.69) | 2 (0.67) | 0 | 4 (0.74) |
Rotavirus | 4 (3.39) | 2 (0.67) | 0 | 6 (1.1) |
Adenovirus |
0 |
1 (0.34) |
0 |
1 (0.18) |
Parasitic agents, no. (%) | 3 (2.54) | 8 (2.69) | 1 (0.78) | 12 (2.21) |
Giardia | 3 (2.54) | 6 (2.02) | 1 (0.78) | 10 (1.84) |
Cryptosporidium |
0 |
2 (0.67) |
0 |
2 (0.37) |
Mixed infectious agents, no. (%) | 1 (0.85) | 9 (3.03) | 3 (2.33) | 13 (2.39) |
Bacteria and virus | 0 | 5 (1.68)† | 1 (0.78)‡ | 6 (1.1) |
Bacteria and parasite | 1 (0.85)§ | 4 (1.35)¶ | 1 (0.78)# | 6 (1.1) |
Bacteria, virus, and parasite | 0 | 0 | 1 (0.78)** | 1 (0.18) |
*EAEC, enteroaggregative Escherichia coli; EHEC, enterohemorrhagic E. coli; EIEC, enteroinvasive E. coli; EPEC, enteropathogenic E. coli; ETEC, enterotoxigenic E. coli; DAEC, diffusely adherent E. coli.
†Salmonella and rotavirus G1P[8], Shigella/EIEC and astrovirus HAstV2, ETEC and astrovirus HAstV2, Salmonella and adenovirus, and EPEC and rotavirus G1P[8].
‡EPEC and adenovirus.
§Salmonella and Giardia.
¶EPEC and Giardia, EAEC and Giardia, ETEC and Giardia, and Salmonella and Giardia.
#EPEC and Cryptosporidium.
**EPEC, adenovirus, and Giardia.
1These first authors contributed equally to this article.
2These senior authors contributed equally to this article.
3These authors were co–principal investigators.