EFA Exit Exam • Set 5 Question 9 of 30

How many major species (types) of HIV are known to exist?

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Direct Answer

Option C: 2 (HIV-1 and HIV-2)

There are two recognized species/types of Human Immunodeficiency Virus: HIV-1 (responsible for the global pandemic) and HIV-2 (primarily localized to West Africa).

All Options

2 (HIV-1 and HIV-2) (Correct Answer)

Detailed Explanation & Context

There are two recognized species/types of Human Immunodeficiency Virus: HIV-1 (responsible for the global pandemic) and HIV-2 (primarily localized to West Africa).

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Elementary First Aid (EFA).

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