Kate Holt is a freelance photojournalist and regular Guardian contributor who works for the international media, NGOs and corporate clients.
Women in the war-torn Democratic Republic of Congo are allegedly being asked for sexual favours in exchange for Ebola treatment.
Sex for vaccines: Violence may mar the rollout of new experimental Ebola jab
Could a new manmade concoction of mundane odours stop malaria?
Interested in health and social justice reporting and willing to put in the hours to do it? This internship might be for you.
Does sex work legislation have an impact on gender-based violence and HIV infection rates? We traveled to Amsterdam and Durban to find out.
Bhekisisa means "to scrutinise" in Zulu
In South Africa, Zulu patients who would like to be thoroughly assessed by a doctor, would ask the physician to "bhekisisa" them.