Los Angeles-based XPRIZE, which operates a number of competitions aimed at encouraging advancement in key technology areas, says a Grand Prize Winner has been named in the IBM Watson AI XPRIZE Competition. According to the organization, the prize--first launched in 2016--goes to Zzapp Malaria, with second place going to Aifred Health, and a runner up prize to Marinus Analytics. Zzapp gets $3M, Aifred gets $1M, and $500k goes to Marinus. Zzapp Malaria is focused on using artificial intelligence for malaria elimination campaigns, and is based in Tel Aviv, Israel. Marinus Analytics is focused on finding human trafficking, and is out of Pittsburgh. Aifred Health is in Montreal, Canada, and is working on clinical decision support systems in mental health.