Evaluation of a diphtheria and tetanus PLGA microencapsulated vaccine formulation without stabilizers.


Polymeric microspheres containing diphtheria and tetanus toxoids were prepared without protein stabilizers. A vaccine containing 2 Lf(tetanus) and 0.4 Lf(diphtheria) was injected either in BALB/c mice or in guinea-pigs. As control, a group received the alum-adsorbed unencapsulated toxoids. In mice, on day 44 one group and control received a booster and at… (More)


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