CGTN Explainer: Decoding China's plan to inoculate its population

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Despite a slow start, China's vaccination campaign has maintained a steady speed over the last few months. The country is on track to meet its target of inoculating 70 percent of the total population by year end. What exactly is the key to China's relative success in vaccinations and how does the emergence of the delta variant impact its future goals? CGTN's Nayan Seth tries to find out in this explainer video.