Mice immunized with typhoid-paratyphoid vaccine USP were found to be protected when challenged with serological groups A, B, and C of Neisseria meningitidis. Mice immunized with this vaccine both 14 and 7 days prior to challenge were protected against mean lethal doses (LD(50)) of 5,220 and 1,151 of groups A and B, respectively, and in two separate experiments they were protected against 3,568 ...

This paper investigates the impact of the Bolsa Família Program on the immunization of children from 0 to 6 years of age in Brazil and its regions. The Bolsa Família program is a conditional cash transfer program. One of its conditionalities is the compliance of children with the immunization schedule ordered by the Ministry of Health. The evaluation was performed using the Propensity Score Mat...

The present study evaluates the humoral and cellular immune responses in 35 volunteers submitted to short antirabies vaccination schedules with the Fuenzalida & Palacios vaccine based on the administration of doses on non consecutive days. The volunteers were divided into two groups. The first group received a total number of five doses given on days 0, 4, 7, 20 and 35. The other group received...

OBJECTIVES: Recent studies have described an increase in parental hesitancy regarding vaccines as well as increases in parental adoption of vaccine schedules that delay or limit receipt of recommended vaccines. This study quantifies potential prevalence and trends in alternative schedule compliance by measuring consistent shotlimiting in a metropolitan area of Oregon. METHODS: Retrospective coh...