患儿,男,2010年7月5日出生,足月顺产,为第二胎第二产,出生时体重3.03kg,身长49cm。8月14日,在市妇幼保健院首次体检,体重4.3kg,身长55cm,非纯母乳喂养,营养中等,皮下脂肪厚1.0cm,除咽、扁桃体有轻度红肿外,其余体检项目均为阴性或未触及。前囟未闭合约3cm×3cm。2010年8月5日,接种首剂乙型肝炎疫苗,未见异常反应报告。9月6日,在某社区卫生 Children, male, born July 5, 2010, full-term natural delivery, the second child for the second birth, birth weight 3.03kg, length 49cm. August 14, the city’s first maternal and child health checkup, weight 4.3kg, length 55cm, non-exclusive breastfeeding, moderate nutrition, subcutaneous fat thickness 1.0cm, except pharynx, tonsil mild swelling, the rest of the physical examination were negative Or not touched. Anterior fontanel not closed about 3cm × 3cm. August 5, 2010, the first dose of hepatitis B vaccine, no abnormal reaction was reported. September 6, in a community health