The first viral disease detected in human being was:

Options

A. cold
B. influenza
C. small pox
D. yellow fever

Answer

To solve the question regarding the first viral disease detected in human beings, we can follow these steps:

### Step 1: Understand the Question
The question asks for the first viral disease that was identified in humans. This requires knowledge of historical medical discoveries related to viral diseases.

**Hint:** Consider the timeline of viral disease discoveries and the contributions of key figures in medicine.

### Step 2: Identify Key Historical Facts
Research indicates that yellow fever was one of the earliest viral diseases recognized. It was first detected in humans in the late 19th century.

**Hint:** Look for diseases that were identified in the 1800s, as this was a period of significant medical advancement.

### Step 3: Recognize the Contributor
The Cuban physician Carlos Finlay is credited with identifying the cause of yellow fever. His work in 1881 was pivotal in understanding the disease's transmission through mosquitoes.

**Hint:** Think about the role of specific individuals in the history of medicine and how their discoveries shaped our understanding of diseases.

### Step 4: Confirm the Disease
Yellow fever is indeed a viral disease caused by the yellow fever virus, which is transmitted by mosquito bites. This confirms that it fits the criteria of the question.

**Hint:** Verify if there are other diseases that were identified earlier and check their causes to ensure yellow fever is the correct answer.

### Step 5: Finalize the Answer
Based on the historical context and the contributions of Carlos Finlay, we conclude that the first viral disease detected in humans is yellow fever.

**Final Answer:** Yellow fever (Option D).

### Summary of Steps:
1. Understand the question about the first viral disease.
2. Identify historical facts about viral diseases.
3. Recognize the contributions of Carlos Finlay.
4. Confirm that yellow fever is a viral disease.
5. Finalize and state the answer.