Blog: Optimizing China’s Vaccination Strategy Is the Answer to Beating Omicron

Cases of the BA.5 omicron subvariant of Covid-19 have emerged in the Chinese cities of Beijing, Shanghai and Xi’an. The subvariant, one of the dominant strains circulating worldwide, has also triggered recent outbreaks in other countries such as the U.S. Thus, people are naturally concerned whether the emergence of BA.5 in China will pose a new challenge to the country’s “zero-Covid” policy.