Advertisements
Advertisements
प्रश्न
Explain various modes of transmission of infectious diseases.
उत्तर
Following are the modes of transmittance of infectious diseases:
(i) Air- Certain microbes travel in air and are inhaled by human beings, causing various infectious diseases such as common cold, pneumonia and tuberculosis.
(ii) Water- Infectious diseases spread via water when the stool of an infected person gets mixed in drinking water of a locality. Cholera is an example of water-borne diseases.
(iii) Sexual contact- Some infectious diseases such as syphilis and AIDS spread via sexual contact between a normal person and an infected person.
(iv) Vectors- Many animals are the carriers of various pathogens that cause infectious diseases and behave as vectors. Malaria is an example of such disease, in which female mosquito is the vector of the malaria-causing parasite.
APPEARS IN
संबंधित प्रश्न
It was diagnosed that the body of a patient has lost its power of fighting any infection. Name the disease he is suffering from. What type of microbe is responsible for this disease and how does it spread from one person to the other.
Why a person suffering from AIDS cannot fight even very small infections?
Mention two means of physical contacts by which AIDS does not spread.
Differentiate between carrier and vector.
Define the following: Pathogen
Define the following: Vector
Define the following: Droplet infection
Name few vectors and diseases caused by them
How can microorganisms enter our body?
What is rabies?
