HIV vs Virus

When to use each in English, with meaning, register, and examples.

 HIVVirus
MeaningA virus that attacks the immune system, leading to AIDS.A tiny living thing that can make you sick.
CEFR level-A2
Part of speechnoun
Usage notesConsidered medical terminology; appropriate in health discussions, but sensitive due to stigma. Avoid using casually.Use 'virus' in medical or technical contexts. Avoid colloquial settings unless joking or referencing technology (e.g., computer virus).

Frequently asked questions: HIV vs Virus

What's the difference between "HIV" and "Virus"?

"HIV" means: A virus that attacks the immune system, leading to AIDS. "Virus" means: A tiny living thing that can make you sick.

When should I use "HIV" and "Virus"?

They can all be used in everyday English.