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在北美由于感染结核病的危险性很低,接种卡介苗是很少的,接种者仅是有指徵的个别人,其死亡率约占接种者的1/2500万,卡介苗提供了安全的免疫预防,即使局部淋巴腺炎这个极普通的并发症,也仅占新生儿接种的2％。如果没有获得卡介苗接种的历史或卡介苗接种是采用多刺法或划痕法
BCG is scarce in North America due to the low risk of contracting tuberculosis. The vaccinated individuals are only individuals with indications. The mortality rate is about 1/25 million of the vaccinated people. BCG provides safe immunoprophylaxis, Even the most common complication of local lymphadenitis accounts for only 2% of newborns. If you do not have a history of BCG vaccination or BCG vaccination is the use of prick or scratch