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perm Polytechnician祝贺老师在即将到来的一天
Scientists of the Perm Polytechnic told how different types of vaccines work, why the vaccine calendar does not include protection against acute respiratory viral infections and tick -borne encephalitis, why is there a small trace from BCG and why vaccinate the child from the first hours of life
来源:俄罗斯彼尔姆国家综合技术大学科学新闻频道