PG-E11

Click Clock ￭ Enhancement General Studies-Topical Primary 4-Topic 9 Copyright © by Click Clock Limited All rights reserved Page 2 2. Infectious diseases spread through animals: a. Japanese encephalitis, ___________ fever, and Zika virus spread through mosquitoes. They occur in Hong Kong in the summer because the ______________ is higher and there is more rainfall. ___________ water also breeds mosquitoes. Preventative measures: i. At home: ___________________________________________________ ii. In the countryside: ___________________________________________________ b. Chicken and birds can spread ___________ flu, so we should not ___________ them with food or avoid direct ___________ with them. After travelling abroad, we should consult a ___________ immediately if we feel ill. 3. Diseases that spread through food: Food poisoning is caused by having food that is contaminated by ___________ or ___________, or drinking ___________ fluids. Symptoms include ___________, diarrhea etc. Name three ways to avoid food poisoning: a. _____________________________________________________ b. _____________________________________________________ c. _____________________________________________________ Click Clock Sample