TOKYO -- The launch of China's International Travel Health Certificate on March 8 was music to the ears of frequent travelers like Victor, a 30-year-old financier based in Hong Kong. "I'm healthy, I'm protected and I'm also safe to be around," he said. "I want to be able to travel freely around the world like before."
A flurry of new health certificates may help restart airlines and tourism. But they risk dividing the world into vaccine "haves" and "have-nots." © Photo illustration by Nakako Shiotsuki
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