When Papua New Guinea confirmed its first polio outbreak in seven years this May, the Digital Community Engagement team faced a daunting puzzle wrapped. How do you mobilize parents to vaccinate their children in a country where the most used social media platform has just been banned, over 100 languages are spoken, and many families hadn’t heard the word "polio" in a generation?

The answer lays in adaptive strategy. The PNG campaign would become a masterclass in in how DCE combines constraints, creativity, and community understanding — adaptive strategy — achieving five times its reach targets despite being one of the most challenging digital environments in the world.