International Women's Day, on March 8, celebrates the achievements of women. We share stories from women in the the Kibera community, which locals call a "slum," about their setbacks and successes.

Diagnosed with HIV before her wedding, Bupe Sinkala didn't tell her husband and saw her marriage — and life — crumble. Now she's a community health worker advocating for her unsung profession.

Vaccines may not be as effective for those who are immuno-compromised. Protecting them needs to be made a top priority, says researchers — to keep them safe and to slow the emergence of variants.

The coronavirus pandemic feels eerily familiar to people who faced the AIDS crisis. It triggers memories of confusion over how the disease is transmitted and huge numbers of people dying quickly.