Table 3.

CFAs of human ETEC strains

Original designationCS designationDiameter (nm)Reference(s)
Rigid rods
 CFA/ICFA/I7 321
 CS1CS17 225, 320, 513
 CS2CS27 226
 CS4CS46 698
 PCFO159CS127 576
 PCFO166CS147 427
 CS17CS177 428
 PCFO20CS187 680
 CS19CS197 230
 CS20CS207 671
Bundle-forming
 CFA/IIICS87 634
 LongusCS217 244
Fibrillar
 CS3CS32–3 86
 CS5CS55 127, 411
 PCFO148CS113 362
 PCFO9CS13 285
Nonfimbrial
 CS6CS6 698
 2230CS10 147
 8786CS15 25