Japan's health ministry is weighing mixing and matching different COVID-19 vaccines to help ease supply concerns and accelerate the country's inoculation program, the minister in charge of vaccinations said Sunday.Japan has mostly used COVID-19 vaccines developed by Pfizer Inc. or Moderna Inc. for its inoculation program. AstraZeneca Plc's vaccine, manufactured in Japan under license, was approved in July for use in people aged 40 or older."We can expect an acceleration in vaccinations if we gain approval" for the mixed-dose approach from the Ministry of Health, Labor and Welfare, Taro Kono…READ FULL ARTICLE