This document discusses stages of infection and disease prevention and control. It covers four stages of infection: entry, multiplication, spread, and recovery. Diseases can be communicable during the recovery stage. Common ways diseases enter the body are through the respiratory, gastrointestinal, reproductive systems, and breaks in the skin. The document provides activities for students to complete to review the stages of infection.

1. HEALTH 8 3RD
QUARTER:
Prepared by Mrs. Princess L. Simbiling, LPT

2. Module 1: Stages of Infection
HEALTH 8 3RD QUARTER: DISEASE PREVENTION AND CONTROL (COMMUNICABLE)
Prepared by Mrs. Princess L. Simbiling, LPT

3. TRUE OR FALSE
You cannot be infected again with chicken pox
if you have been infected already before.

4. TRUE OR FALSE
The diseases or infection is still communicable
in the recovery stage.

5. TRUE OR FALSE
Communicable Diseases are diseases that do
not transfer from one person to another.

6. WHAT IS INFECTION?
An invasion of microorganisms into the body that can
produce a disease.

7. FOUR STAGES OF INFECTION

8. CHAIN OF INFECTION

9. They may enter through:
Respiratory System (inhalation)
Gastrointestinal System
(ingestion)

10. They may enter through:
Reproductive Tracts
(sexual contact)
Breaks in the skin
(open wound)

12. ACTIVITY TIME!
Answer the following activities on your LMS (Aralinks):
• REVIEW – Activity 2: Step by Step
• RATE YOUR UNDERSTANDING – Activity 3: Quick Think & Activity
4: Mortality Combat
Please be reminded with the given time limit and deadline. Good
luck!

13. Thank you!
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Department of Education (2014). Health Grade 9 Teacher’s Guide. Retrieved from
https://www.depednegor.net/uploads/8/3/5/2/8352879/health_9_tg_draft_3.24.2014.pdf
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leading-causes-mortality-by-disease/#:~:text=In%202017%2C%20one%20of%20the,and%20chronic%20lower%20respiratory%20infection.