The Human Immunodeficiency Virus, or HIV, is one of the most notorious diseases today. For many years now, it has stricken millions of men and women around the world, and it continues to be a top-ranked STD in various countries.

There are different types of HIV-1 in existence, and here are some of the most common ones:

The HIV-1 type is the most common strain of the virus. It is further divided into a few more groups by scientists.

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- Group M: The M stands for "major" as this is said to be the most widespread type of HIV. According to health reports, over 90% of the HIV and AIDS cases come from the HIV-1, group M variety. It is further divided into several subtypes: subtype A (very common in the West African region), subtype B (typical in Australia, Japan, Europe, Thailand, and the Americas), subtype C (a dominant variety in India, Southern Africa, Nepal, Eastern Africa, and some parts of China), subtype D (common in central and eastern Africa), and so on.

- Group N: The means "non-M, non-O." It was first documented in 1998 and cases of it have only been reported in Cameroon.

- Group O: This is the "outlier" group. It is common in the west-central African region. Back in 1997, 2% of the HIV cases reported in Cameroon were of this group.

- Group P: This is a relatively new strain that was first discovered on 2009. It was seen in a woman from Cameroon who lives in France and was diagnosed with HIV-1 in the year 2004.

Testing for HIV should be done at the earliest chance to detect the virus right away and be able to get the appropriate treatment early on. Use STD Rapid Test Kits' certified rapid HIV test kit for fast and accurate HIV test results.