Stigmabase is a non-profit internet initiative dedicated to informing and raising awareness on the damaging effects of social exclusion and stigma around the world. The marginalization of individuals or categories of individuals is a too common phenomenon. Millions of people are facing this problem around the world and many complex factors are involved.

HIV sequencing from archived tissue suggests the virus crossed to humans in early 1900s

The general consensus is that HIV crossed from chimps to humans at some point in the 1920s in what is now the Democratic Republic of Congo.

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