**Question:** KFD is transmitted by:

A. Aedes mosquitoes
B. Tick bites
C. Direct contact with infected tissue or body fluids
D. Consuming contaminated food or water

**Core Concept:** KFD, or Kerala fever, is a viral disease primarily transmitted by certain arthropod vectors. In this case, the correct transmission mode is among the provided options.

**Why the Correct Answer is Right:** KFD is caused by the KFDV (Kerala fever virus) and primarily transmitted by the bite of infected Aedes mosquitoes (Aedes aegypti or Aedes albopictus). These mosquitoes are known to be vectors for several arboviral diseases, including KFD.

**Why Each Wrong Option is Incorrect:**

A. Tick bites (Option B): Although some arboviral diseases like tick-borne encephalitis are transmitted by ticks, KFD is not. Aedes mosquitoes are the primary vectors for KFDV.

B. Direct contact with infected tissue or body fluids (Option C): While infection can occur through direct contact, this is not the primary mode of transmission for KFD. It is primarily an arboviral disease transmitted by mosquitoes.

D. Consuming contaminated food or water (Option D): KFD is primarily an arthropod-borne viral disease, not one transmitted through contaminated food or water. This option is incorrect due to the mode of transmission being different from the correct mode, which is mosquito bite.

**Clinical Pearl:** Understanding the mode of transmission is crucial for prevention and control of arboviral diseases like KFD. Preventing mosquito bites is the primary method of reducing the risk of KFD infection. Additionally, raising awareness about the disease and its symptoms can help prompt prompt medical attention when exposure occurs, which is essential for early diagnosis and management.