Polio's Resurgence and Vaccine Challenges

This chapter examines the historical significance of polio and the impact of vaccine development, particularly focusing on recent cases indicating a resurgence of the disease in areas like New York and Europe. It discusses the nuances of vaccine-derived poliovirus, transmission methods, and the importance of maintaining high vaccination rates to prevent outbreaks. Additionally, the chapter introduces a new oral polio vaccine designed to mitigate harmful mutations, highlighting ongoing public health efforts against the disease.