Good morning. Chinese health officials have announced a drive to accelerate vaccinations of older people against Covid, as police patrolled major cities to stamp out the protests against the country’s strict zero-Covid policy. Low vaccination rates among older people are one of the major hurdles to easing the zero-Covid policy, which has eroded economic growth, disrupted the lives of millions, and sparked three days of unprecedented protests. The display of civil disobedience has triggered a firm response from police, who have begun inquiries into some of the people who gathered at the weekend. Why is China still having severe lockdowns?...