Question

Droplet infection is a mode of
A. Direct transmission
B. Indirect transmission
C. Pathogen spread through mosquitoes
D. Fomite transmission

Answer 1

Hint: Infectious diseases are spread through direct person-to-person contact or indirect contact. These diseases are caused by microorganisms like bacteria, virus, etc.

Complete Answer:
Certain types of parasites, bacteria, viruses, fungi, etc are most common microbes responsible for the spread of infectious disease. Few common examples of infectious diseases are – respiratory illness, malaria, and measles.

- Option A: Direct transmission occurs through person-to-person contact or droplet spread. Therefore, this is the correct option.
- Option B: Indirect transmission occurs through airborne infection, contaminated objects, food and drinking water, animal-to-person contact, animal reservoirs, insect bites, environmental reservoirs, etc. Therefore, this is the incorrect option.
- Option C: The causative agent of malaria i.e. Plasmodium vivax is spread through the female Anopheles mosquito. Therefore, this is the incorrect option.
- Option D: Fomites are contaminated objects featuring infectious agents which serve as a transfer mechanism between different hosts. Therefore, this is the incorrect option.

Thus, the correct option is ‘A’.

Additional information: The various symptoms of infectious diseases are,
- Viruses target specific cells and cause symptoms like muscle ache, fever, cold and cough.
- Fungal infections can cause skin rashes.
- Bacterial infections can cause symptoms like pain, fever, swelling, etc.

Note: Infectious diseases can be prevented by the following ways,
- By taking extra care by wearing a mask, using a sanitizer, etc.
- By taking vaccination and using antibiotics.
- By maintaining proper hygiene conditions at home and work place.
- Avoiding travel or going to public places when sick.