Health experts proposed detailed plans for a gradual end to anti-virus controls, but the Chinese government rebuffed them and dropped restrictions in December with no preparations to cope with the chaotic aftermath, The Associated Press has found. Over a year ago, scientists called on authorities to begin preparations for reopening. But Beijing took none of the steps experts said were needed before dropping controls. Millions of older people weren’t vaccinated, and hospitals weren’t reinforced for a possible surge in cases. Experts and scientific models estimate China’s lack of preparati...