More than 10 million people have been vaccinated against COVID-19 in China. Government leaders around the world have started taking the vaccine and some have also lauded the safety and effectiveness of Chinese-made vaccines. Data suggests 85 percent of the total global vaccine orders come from developed countries, but vaccine produced by them can't meet everyone's needs. Who will be supplying to developing nations? And will this be an opportunity for Chinese vaccine companies? CGTN's Michelle Van den Bergh takes a look at the issue.