计划免疫 jìhuàmiǎnyì planned immunization Definitions Defs Origin Strokes Stroke Words Sentences Sents 计划免疫 計劃免疫 jìhuàmiǎnyì planned immunization A national program to control and eliminate diseases by carrying out systematic vaccinations, specifically ensuring that infants and young children develop timely immunity.
计划免疫 計劃免疫 jìhuàmiǎnyì planned immunization A national program to control and eliminate diseases by carrying out systematic vaccinations, specifically ensuring that infants and young children develop timely immunity.
