China's new game plan in the name of vaccines

China has approved the emergency use of Sinovac Biotech's vaccine for children aged 3 to 17 years. China became the first country to approve a vaccine for children under the age of three. Till now, only people of 18 years and above were being vaccinated there. Chinese health officials have said they aim to vaccinate 80 percent of the 1.4 billion population by the end of the year.