Samuel Ponce-de-Leon

All articles by Samuel Ponce-de-Leon

What is the impact of the Pertussis vaccine in the prevention and control of whooping cough? Pertussis is an important death cause among infants worldwide, and continues to constitute a public health problem even in countries with elevated vaccination coverage. In 2008, World Health Organization (WHO) reported 16 million cases out of which 95% corresponded…