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São Paulo Brucellosis Vaccination Campaign: Deadline and 2026 Schedule
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Updated as of December 30, 2025, 20:38:20 GMT. this article provides details on the ongoing brucellosis vaccination campaign in the State of São Paulo, Brazil, and outlines the schedule for the first half of 2026.
Campaign End Date and 2026 Start
the second-semester brucellosis vaccination campaign, conducted by the Agricultural Defense of the Department of agriculture and Supply of the State of São Paulo, concludes on Wednesday, December 31st, 2025. The next vaccination period begins on Thursday, January 1st, 2026, and will focus on immunizing beef and buffalo calves aged three to eight months.
The deadline for vaccinating these calves will be June 30th, 2026, according to the Agricultural Defense agency.
Vaccine Administration and Requirements
The vaccine used in this campaign is a “live vaccine,” meaning it carries a risk of infection for those handling it. Therefore, the Agricultural Defense mandates that the vaccine be administered exclusively by a registered veterinarian. This requirement ensures proper handling and minimizes potential health risks.
The veterinarian is responsible for the correct application of the vaccine and for issuing a vaccination certificate to the producer, providing official documentation of the animal’s immunization status.
reporting Vaccination Status
Veterinarians are required to report vaccination details through the official Agricultural Defense portal: https://www.defesa.agricultura.sp.gov.br/credenciados/?_gl=1*1pw5ieu*_ga*ODY2OTU4NzQ2LjE3NjAzODczOTA.*_ga_5E2ER3DWNF*czE3Njc3MzQzMS4xNzYwMzgzNzIw. This reporting system helps track vaccination coverage and monitor the overall health of the livestock population in São Paulo.
Understanding Brucellosis
Brucellosis is a contagious infectious disease that affects livestock,including cattle
