In this article, O antigens of Salmonella typhi H901 L-forms were tested with monovalcnt and AFO polyvalent antisera.

• 本文用因子血清检查伤寒杆菌H901株细菌型及L型的抗原结构,结果细菌型除Vi抗原缺失外,O和H抗原均完整;