Robert Ochweda and Millicent Akoth is HIV positive — she caught the virus from her former husband. That’s the story of serodiscordant couples — the term used when one partner is HIV positive and the other is HIV negative. She is HIV positive — she caught the virus from her former husband. Caleb Ochieng, who is HIV negative, has been married to DIana Odhiambo, who is HIV positive, for eight years. Says Ng’uono: “I don’t know what the future holds.” (Julia Gunther for NPR)Erastus Ng’uono was born with HIV positive status.