[Study of confirmed cases of human brucellosis in Puebla, Mexico].

Background: Human brucellosis is a global health problem. Mexico is one of the main countries affected; timely diagnosis and serological tests are the basis for detection.
Aim: To know the frequency of confirmed cases of brucellosis in different of Family Medicine Units of the Mexican Social Security Institute in the state of Puebla, Mexico.
Methods: Cross-sectional study in patients of both genders, adults and pediatrics, with clinical manifestations suggestive of brucellosis; serological tests were performed for the confirmatory diagnosis.
Results: Out of a total of 77 patients, 39 (50.6%) were positive, 21 (27.3%) cases coming out of infection, 9 (11.7%) were negative and 8 (10.4%) were defined with immunological memory; of positive cases, 32 (82.1%) were found in the adult group and 30 (76.9%) were female.
Conclusion: Around half of samples were confirmed as brucellosis, the clinical manifestations of the patients studied were non-specific, which highlights the importance of laboratory diagnosis.