Without vaccinations it could re-emarge and re-infect regions where it was eradicated decades ago, and the film also notes that the first line of defense is a dedicated and continual effort by international health workers going door-to-door to ensure every child is vaccinated.
It could re-emarge and re-infect regions. This is without vaccinations. It was eradicated decades ago. The first line of defense is a dedicated and continual effort by international health workers. This is what the film notes. These international health workers are going door-to. Door is vaccinated. To ensure every child Door.