Covid-19 vaccines are safe and have been given to leaders of the state and ruling Communist Party, officials said on Saturday, as Beijing steps up efforts to allay public concerns about safety that risk hampering its vaccination drive. "China's state and Party leaders have all been vaccinated against Covid-19 with domestically-made shots," said Zeng Yixin, deputy head of the National Health Commission.

Also Read: Mumbai: Free booster vaccination drive going at a snail’s pace