In 1992-1993 Kenya saw its first outbreak of yellow fever in 50 years in the Rift Valley Province. By March 1993, 55 cases of suspected yellow fever were identified, with 34 deaths. This is likely to be an underestimate of infected cases. This has immeasurable impact on the villages of the region, and economic repercussions for the nation. This report examines the management of the outbreak. Fo...

OBJECTIVE To determine the effects of a mass media campaign on the levels of physical activity among children 9 to 13 years of age. DESIGN A prospective, longitudinal, quasi-experimental design was used. A baseline survey was conducted in April to June 2002, before the launch of VERB advertising. Random-digit-dialing methods were used to survey a nationally representative sample of children a...

OBJECTIVE To evaluate the potential economic benefits of keeping a meningitis A vaccine at or near ambient temperature for up to 4 days during a mass vaccination campaign. METHODS During a 10-day mass vaccination campaign against meningitis A in three regions of Chad in 2011, the costs associated with storage and transport of the vaccine in a traditional cold chain system were evaluated. A ma...

background rubella is a viral disease with a worldwide distribution. mass vaccination campaigns have increased the vaccine coverage in the world with substantial impact on reduction of rubella infections. in iran, the national measles-rubella campaign, targeting individuals 5-25 years old, was initiated in 2003 and mass childhood vaccination against measles, rubella and mumps has continued ever...