- Pertussis infections and vaccinations in Bolivia, Brazil and Mexico from 1980 to 2009Colleen M McCormick
Wright State University Boonshoft School of Medicine, 3640 Colonel Glenn Hwy, Dayton, OH 45435, USA
Travel Med Infect Dis 11:146-51. 2013..2 to 0.5 cases per 100,000. In order to increase vaccination rates further, health systems must continue to raise awareness about disease prevention, expand health surveillance systems, and improve access to health services...