human immunodeficiency virus
Definition
Noun: A retrovirus that attacks and weakens the human immune system, specifically by destroying CD4+ (helper T) cells, which are crucial for fighting infections. This virus is the causative agent of Acquired Immunodeficiency Syndrome (AIDS).
Usage
The term "human immunodeficiency virus" is used to refer to the specific pathogen itself. It is often abbreviated as HIV. - Scientists are researching a vaccine for the human immunodeficiency virus. - The test confirmed the presence of human immunodeficiency virus in his blood. - Education about the transmission of human immunodeficiency virus is a public health priority.
Advanced Usage
- "HIV-positive": A medical status indicating the presence of human immunodeficiency virus antibodies in the bloodstream.
- After the diagnosis, she learned to manage her life as an HIV-positive individual.
- "HIV/AIDS": A combined term frequently used to discuss the virus and the syndrome it causes.
- Global funding for HIV/AIDS programs has saved millions of lives.
Variants and Related Words
- HIV (noun): The universal acronym for human immunodeficiency virus.
- He has been living with HIV for a decade.
- Retrovirus (noun): The category of virus to which HIV belongs, characterized by using RNA as its genetic material and a reverse transcriptase enzyme.
- As a retrovirus, HIV integrates its genetic code into the host cell's DNA.
Synonyms
- HIV: The direct acronym.
- The AIDS virus: A common informal reference (though "human immunodeficiency virus" is the scientifically accurate term for the virus itself).
Related Phrases
- To contract HIV / the human immunodeficiency virus: To become infected with the virus.
- It is possible to contract the human immunodeficiency virus through unprotected sexual contact.
- HIV transmission: The process of spreading the virus from one person to another.
- Prevention campaigns focus on stopping HIV transmission.
Noun
-
the virus that causes acquired immune deficiency syndrome (AIDS); it replicates in and kills the helper T cells
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