In 2004 , the director of food and environmental hygiene exercised his power under the legislation to issue nine closure orders against five premises where pathogenic vibrio cholerae was identified in samples of fish tank water , and four premises involved in large food poisoning outbreaks 本署在五个处所抽取的鱼缸水样本中发现致病的霍乱弧菌，另有四个处所涉及集体食物中毒事故，本署署长于是行使法例赋予的权力，向该等处所发出九份封闭令。
In 2004 , the director of food and environmental hygiene exercised his power under the legislation to issue nine closure orders against five premises where pathogenic vibrio cholerae was identified in samples of fish tank water , and four premises involved in large food poisoning outbreaks 本署在五个处所抽取的鱼缸水样本中发现致病的霍乱弧菌，另有四个处所涉及集体食物中毒事故，本署署长于是行使法例赋予的权力，向该等处所发出九份封闭令。
During 2004 , the department embarked on risk assessment projects on dietary exposure to lead of secondary school students , vibrio species in seafood , nutrient values of chinese dim sum , food safety and microwave cooking , sweeteners in confectionery products and study on salts in hong kong 年内，本署进行的风险评估研究有： “中学生从食物摄取铅的情况” “海产内的霍乱弧菌” “中式点心的营养素含量” “微波煮食与食物安全” “糖果类产品甜味剂的含量”和“市面食盐的研究” 。
Bacterium of positive of orchid family name has common remove from office : bacili of grape coccus , streptococcic , pneumonic diplococcus , anthrax , diphtheria bacili , tetanic bacili ; bacterium of negative of orchid family name has common remove from office dysenteric bacili , typhoid bacillus , coliform organisms , be out of shape bacillus , green pus bacili , whooping cough bacili , choleraic vibrio reachs meningitis diplococcus to wait 常见的革兰氏阳性菌有：葡萄球菌、链球菌、肺炎双球菌、炭疽杆菌、白喉杆菌、破伤风杆菌等；常见的革兰氏阴性菌有痢疾杆菌、伤寒杆菌、大肠杆菌、变形杆菌、绿脓杆菌、百日咳杆菌、霍乱弧菌及脑膜炎双球菌等。
