There are sixteen countries with formal ban on HIV positive travelers, but in formally there are many more. A
When traveling to
HIV-related stigma refers to all unfavorable attitudes, beliefs, and policies directed toward people perceived to have HIV/AIDS as well as toward their significant others and loved ones, close associates, social groups, and communities. Patterns of prejudice, which include devaluing, discounting, discrediting, and discriminating against these groups of people, play into and strengthen existing social inequalities--especially those of gender, sexuality, and race--that are at the root of HIV-related stigma.
The UN decided to have a declaration on this too. The Joint United Nations Programme on HIV/AIDS (UNAIDS) has developed a protocol for the identification of discrimination against people with HIV/AIDS. I don’t know why the UN doesn’t condemn the above mentioned 16 countries; discrimination is now the official policy of these governments.