根据提供的知识，新生儿需要接种的疫苗主要包括：
卡介苗（BCG）：在出生时接种。卡介苗主要用于预防结核病，特别是对儿童期脑膜炎和播散性结核病有可靠的保护效果。
乙肝疫苗：在出生时、1个月和6个月时接种。乙肝疫苗用于预防乙型肝炎。
这些疫苗是新生儿在出生后需要尽快接种的，以确保他们在早期阶段获得必要的免疫保护。接种疫苗是预防传染病的重要措施，能够有效降低疾病的发病率和死亡率。
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