Of 300 babies with adverse reaction after the vaccination with BCG, 54.7% were different degree of lymphadenitis in axillary region, 38.0% were regional abscess.

• 300例婴幼儿BCG接种后回流区淋巴结有不同程度的肿大；淋巴结肿大主要分布于注射侧腋下；占54.；7%25；次为接种局部皮下深部脓肿；占38