79. What is an infection?
We are said to be infected when our body is invaded by harmful
bacteria and virus.
These invaders multiply in our body end cause many diseases. They
can enter our body by various means.
They make an entry through the mouth when we eat contaminated
food or drink dirty water or through lungs when we inhale air. We
get these germs when we damage our skin by an, insect bite or a cut.
Household pests like flies, mosquitoes, rats, etc., often carry
dangerous micro-organisms which can cause deadly diseases.
Infection can be prevented by avoiding close contact with sick
person.
The things around us should be kept clean with a disinfectant and
proper hygiene should be maintained.
