Kaiser Family Foundation. Copyright 2009 Advisory Board Company and Kaiser Family Basis. All rights reserved.. 911 program aims to lessen ER visits USA Today reviews on a 911 pilot plan that aims to reduce unnecessary journeys to the emergency areas. Hoping to ease crowded emergency areas and trim ambulance works, Louisville Metro Emergency Medical Services has launched an application that aims to screen low-priority calls and divert individuals from hospitals into more appropriate health treatment.However, the 20 percent reduction in the incidence of disease due to nonvaccine serotypes was considerably less than the 80 percent decrease noticed for PCV7-serotype disease. Furthermore, between the baseline period and 2012, we observed decreases in invasive pneumococcal disease caused by PCV7 serotypes of more than 50 percent among unvaccinated adults 25 to 44 years of age and of more than 30 percent among children too young to benefit directly from the vaccine, suggesting that PCV use has indirect effects, in geographic regions of high colonization and high disease burden even.