Question

Which one the following can be caused by droplet infection?

• A. Malaria
• B. Influenza
• C. Chikungunya
• D. Dengue

Answer 1

The correct option is B

Influenza

The correct option is B:

Explanation of the correct option :

1. Droplet infection is the type of infection where spreading of diseases occur by releasing droplets in the air through coughing, sneezing and spitting.
2. This type of infection results in diseases like influenza, tuberculosis, mumps etc.
3. The causative agent of influenza is the Influenza virus.
4. The symptoms of influenza are high fever, cough, runny nose, sore throat, headache, body ache and fatigue.
5. Influenza infection can be prevented by maintaining good personal hygiene.

Explanation of the incorrect option:

Option A:

1. Malaria spreads by female Anopheles mosquito (vector or carrier) bites if it carries the malaria causing protozoa in its salivary glands.
2. So malaria is getting transmitted by vectors.

Option C:

1. Chikungunya spreads by female Aedes mosquito (vector or carrier) bites if it carries the Chikungunya virus in its salivary glands.
2. So chikungunya is getting transmitted by vectors.

Option D:

1. Dengue spreads by female Aedes mosquito (vector or carrier) bites if it carries the Dengue virus in its salivary glands.
2. So Dengue is getting transmitted by vectors.

Final answer: Influenza is caused by droplet infection.