Search the worlds information, including webpages, images, videos and more. Main outcomes and measures rotavirus vaccine effectiveness for preventing rotavirusassociated inpatient and ed visits over time for each licensed vaccine, stratified by clinical severity and age. Yearround influenza immunisation during pregnancy in. Us rotavirus vaccine effectiveness, 20102016 jama network. Ccayac censia ccayac cnfv coeva conapo conava cpk curp dau df dic50 ct50 dgae dif dl dna dpt. The pan american health organization paho works with the countries of the americas to improve the health and quality of life of their populations. Immunization is the most costeffective child health intervention. Information on the current burden of vaccine preventable diseases, including diseasespecific estimates. It serves as the regional office of who for the americas and is the specialized health agency of the interamerican system. Data were analyzed from november 1, 2009, through june 30, 2016.