HIV and gender-based violence is intertwined in many ways. This serious problem receives particular attention during the "16 Days of Activism Against Gender Violence Campaign" which takes place from. You can read more about the campaign on the 16 Days Campaign website.
The 16 Days Campaign takes place between November 25, International Day Against Violence Against Women, and December 10, International Human Rights Day, in order to symbolically link violence against women and human rights and to emphasize that such violence is a violation of human rights.
This 16-day period also highlights other significant dates including November 29, International Women Human Rights Defenders Day and December 1, World AIDS Day.
You can find more resources on HIV, gender and violence here