国内疫苗有哪几种接种方式?儿童口服好还是注射好?国内疫苗接种方式及儿童疫苗选择对比
What are the different vaccination methods for domestic vaccines? Which is better for children, oral administration or injection? Comparison of domestic vaccination methods and vaccine selection for children
以上为机器翻译结果，长、整句建议使用 人工翻译 。