ICVN is

Options

A. International code of Veterinary Nomenclature
B. International Code of Viral Nomenclature
C. International Code of Vertebrata Nomenclature
D. International Code of Verme Nomenclature

Answer

### Step-by-Step Solution:

1. **Understanding the Acronym**: The question asks about "ICVN". First, we need to identify what ICVN stands for.

2. **Breaking Down the Acronym**: The acronym ICVN can be broken down into its components:
- "I" stands for International
- "C" stands for Code
- "V" stands for Viral
- "N" stands for Nomenclature

3. **Defining ICVN**: Putting it all together, ICVN stands for the "International Code of Viral Nomenclature". This is a standardized system used for naming and classifying viruses.

4. **Purpose of ICVN**: The ICVN is primarily concerned with:
- The correct classification of viruses.
- The classification of different strains of viruses.

5. **Identifying the Correct Answer**: Based on the understanding of what ICVN stands for and its purpose, we can conclude that the correct answer to the question is the option that states "International Code of Viral Nomenclature".

### Final Answer:
The correct answer is: **International Code of Viral Nomenclature**.

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