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Question
Describe the ways in which communicable diseases are transmitted through various indirect methods.
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Solution
Indirect method of transmission of communicable diseases are following :
(i)Touching and sharing items used by the infected person :
The use of the same towel, handkerchief or same bed, or sharing the same utensils which were handled by the patient may spread the disease to a healthy person.
(ii) Contaminated food and water or drink:
Many diseases are spread by the intake of vegetables and fruits that are not washed properly or are washed with contaminated water.
(iii) Vectors :
Vectors are those organisms (e.g. house flies, mosquitoes, etc.) which carry germs from a source of infection to healthy individual.
(iv) Droplet infection :
Many viral and bacterial diseases of the respiratory tract are transmitted through droplets.
(i)Touching and sharing items used by the infected person :
The use of the same towel, handkerchief or same bed, or sharing the same utensils which were handled by the patient may spread the disease to a healthy person.
(ii) Contaminated food and water or drink:
Many diseases are spread by the intake of vegetables and fruits that are not washed properly or are washed with contaminated water.
(iii) Vectors :
Vectors are those organisms (e.g. house flies, mosquitoes, etc.) which carry germs from a source of infection to healthy individual.
(iv) Droplet infection :
Many viral and bacterial diseases of the respiratory tract are transmitted through droplets.
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