**Question:** All the following are modes of transmission of rabies, EXCEPT:

A. Direct contact with infected saliva (e.g., from a bite or scratch)
B. Airborne transmission (e.g., through inhaling aerosolized virus)
C. Consumption of contaminated food or water
D. Transmission through sexual contact

**Correct Answer:** D. Transmission through sexual contact

**Core Concept:**
Rabies is a viral disease affecting the central nervous system, primarily caused by the Lyssavirus family. It is primarily transmitted through direct contact with infected saliva. The modes of transmission include:

1. Direct contact with infected saliva (e.g., from a bite or scratch)
2. Airborne transmission (e.g., through inhaling aerosolized virus)
3. Consumption of contaminated food or water
4. Transmission through sexual contact

**Why the Correct Answer is Right:**
Rabies is primarily transmitted through direct contact with infected saliva, as mentioned above. The other options are not considered as primary modes of transmission.

**Why Each Wrong Option is Incorrect:**
A. Direct contact with infected saliva is the primary mode of transmission for rabies, making option A the correct choice.
B. Airborne transmission is not the primary mode of transmission for rabies; the virus is not typically transmitted through inhalation of aerosolized virus.
C. Consumption of contaminated food or water is a mode of transmission for some other viral diseases, but rabies is primarily transmitted through direct contact with infected saliva.
D. Transmission through sexual contact is not a primary mode of transmission for rabies, which is primarily transmitted through direct contact with infected saliva.

**Clinical Pearl:**
Understanding the modes of transmission of rabies is crucial for preventing the disease and providing appropriate advice to patients and the general public. It is essential to emphasize the importance of proper handwashing, wound care, and vaccination awareness to reduce the risk of rabies infection.