Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Search set | CIDG SR^ | CENTRAL | MEDLINE^^ | EMBASE^^ | LILACS^^ |
| 1 | cholera | cholera | cholera | cholera | cholera |
| 2 | Vaccin* | Vaccin* | Vaccin* | Vaccin$ | Vaccin$ |
| 3 | 1 or 2 | 1 or 2 | 1 or 2 | 1 or 2 | 1 or 2 |
| 4 | CHOLERA VACCINES | CHOLERA VACCINES | CHOLERA‐VACCINE | ||
| 5 | 3 or 4 | 3 or 4 | 3 or 4 | ||
| 6 | Limit 5 to human | Limit 5 to humans |
