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Inclusion/exclusion criteria for publication screening.
| Inclusion criteria | Exclusion criteria |
|---|---|
| • Case report on brucellosis | • Literature review |
| • Epidemiological investigation of brucellosis | • Publication with no positive sample |
| • Study on biotype of Brucella strains | • Number of samples is uncertain |
| • No Chinese strains or cases | |
| • Article with repeated data | |
| • Study not related to Brucella or brucellosis | |
| • Full text not available | |
| • Sample type and province are not available |
