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卡介苗接种是预防结核病的重要措施之一,经历了半个世纪的试验,公认是有效的和安全的。在防痨接种中,接种处皮肤溃
BCG vaccination is one of the important measures to prevent tuberculosis. It has been tested for half a century and is recognized as effective and safe. Vaccination in vaccination, vaccination Department skin ulceration