Three 6- to 8-week-old female BALB/c mice were inoculated intraperitoneally i.p. with 0.25 mL of PBS containing ~10 CFU of B. abortus S19 pBBR4-CMV-Ggp-SV40+ or 0.25 mL of PBS only control group.
Tres ratones BALB/c hembras de 6-8 semanas de edad se inocularon vía intraperitoneal i.p. con 0.25 mL de PBS con ~10 UFC de B. abortus S19 pBBR4-CMV-Ggp-SV40+ o con sólo 0.25 mL de PBS grupo testigo.