Morning Briefing

"China vaccinated 4.5 million children and young adults over the last five weeks in the western region of Xinjiang in a fight against polio after the disease paralyzed 17 people and killed one of them, the World Health Organization said," according to Reuters. This is the first outbreak of polio in China since 1999, "and scientists say the strain originated from Pakistan," one of four remaining countries where polio is endemic, the news service writes.