Table 3 Distribution of virulence-associated genes among V. cholerae isolates
Virulence gene profile (n) | Presence of genesa | Serogroup | |||||||
|---|---|---|---|---|---|---|---|---|---|
ctxA | tcpA | zot | ace | stn/sto | hlyA | vcsV2 | vasH | ||
A (11) | + | + | + | + | – | + | – | + | O1 |
B (1) | + | – | + | + | – | + | – | + | NAGb |
C (1) | + | – | + | – | – | + | + | + | NAG |
D (2) | – | – | – | – | + | + | + | + | NAG |
E (5) | – | – | – | – | – | + | + | + | NAG |
F (1) | – | – | – | – | – | – | – | – | NAG |
% Prevalence | 62 | 52 | 62 | 57 | 10 | 95 | 38 | 95 | Â |