Discovers, develops and delivers safe, effective, affordable vaccines to advance vaccine equity and reduce infectious disease burden in low- and middle-income countries. Portfolio spans vaccines for cholera, typhoid, chikungunya, shigellosis, salmonellosis, schistosomiasis, hepatitis E, HPV, group A strep and COVID-19, including a low-cost oral cholera vaccine and a WHO-prequalified typhoid conjugate vaccine.