Methods Field epidemiological investigation was conducted. 方法用現(xiàn)場流行病學的調查方法。 kns50.chkd.cnki.net
Methods: Using methods of field epidemiological investigation as well as serological, immunological and molecular-biological diagnosis to determine this outbreak. 方法采用現(xiàn)場流行病學調查的方法并依據(jù)血清學、免疫學以及分子生物學實驗結果確認。
Methods Through field epidemiological investigation, residual food, the vomited matter, excrement and anal swab of the patients, the anal swab of the cooks were all collected, sampled and tested. 方法進行現(xiàn)場流行病學調查，采集留樣食物樣品、患者嘔吐物、排瀉物、肛拭子，廚師肛拭子檢測分析。