英格兰公共卫生:COVID-19岁的儿童和12至15岁的年轻人的疫苗接种。https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/file/1008730/phe_12124_covid-covid-19_vaccination-19_vaccination_vaccinatihttps://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/file/1008730/phe_12124_covid-covid-19_vaccination-19_vaccination_vaccinati