New Science eTextbook 4A (UPC)

Reading to Learn

4. Which factor of the ‘triangle of infectious diseases’ do these health measures help prevent? Write the correct letters in the .

Celebrity Stories How does malaria spread? Read ‘The Story of Tu Youyou’ to learn about how Chinese scientist Tu Youyou helped her patients.

destroy the pathogens A

Appendix 4

More to Explore Find out what facilities and measures of preventing infectious diseases there are at your school.

Preventing infectious diseases

B

C

find out people at high risk of infection and boost their immunity

block the transmission routes of pathogens

Health measures to prevent infectious diseases

1

2

wash our hands frequently

store leftovers properly

3

4

use mosquito repellent

cover wounds with plasters

5

6

wear a mask in crowded places

do not go to school or work when we are ill

7

8

use diluted bleach to clean our home

receive vaccinations

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