Why do I Need Polio drops as an adult if I am traveling to Africa or some Asian countries? Why do I Need Polio drops as an adult if I am traveling to Africa or some Asian countries?

Dr. Gaurav Gupta, Travel health Expert and your personal child specialist talks about Why do I Need Polio drops as an adult if I am traveling to Africa or some Asian countries? As of right now in June 2019, 4 African countries Kenya, Nigeria, Ethiopia and Somalia need Oral polio Vaccine. Also this is needed in 3 Asian countries namely, Afghanistan, Pakistan and Syria. https://youtu.be/fuJimMiOW7Q Charak Clinics