Her research focuses on providing data to guide health policies and programs and improve resource allocation to front-line health workers. Erondu worked to combat polio in Kenya and has worked with WHO and various governments to strengthen health and disease surveillance systems and build technical capacity in disease preparedness. She received a CDC fellowship and recognition award for efforts convening a global response to H1N1 in Saudi Arabia and was lauded for her work as a CDC field epidemiologist during the 2016 Ebola response in Guinea.