What is vectors?
The organisms that carry the infectious agents from a sick person to a potential host or healthy person are called vector. These organisms are responsible for the spread of the diseases.
Name some diseases that spread through air. Explain how they spread.
Which of the following physical contact can spread AIDS?
handshake, hugs, wrestling.
Match the following :
|
Column A |
Column B |
|
(i) Tuberculosis |
liver |
|
(ii) Jaundice |
gut lining |
|
(iii) Typhoid |
lungs. |
How does diseases spread through water?
