5.严格观察伤口周围的变化，一旦发现泛红、肿胀或疼痛等状况，要及时向医生求助。
6. At home, practise good hand hygiene. Wash your hands after going to the loo and before preparing food. Regularly clean door handles, light switches and flushes on loos. Avoid sharing towels. Be vigilant about food hygiene: E. Coli can colonise meat products, such as burgers, so make sure you cook them thoroughly and they are not left bloody. 6.在家时，要养成良好的洗手习惯。如厕后、做饭前切记要洗手。定期清洁厕所门把手、电灯开关以及马桶。避免与他人共用毛巾。警惕“病从口入”：大肠杆菌能够在像汉堡这样的肉制品上大量繁殖，所以切记要将它们彻底烹熟，不要留有血丝。
Vocabulary:
antibacterial 抗菌的
antibiotics 抗生素
antiseptic 杀菌的，消毒的