Health systems around the world—regardless of income level—are struggling to curb the rapid spread of COVID-19 (coronavirus). Low- and middle-income countries are particularly vulnerable. In countries where health systems already struggle to meet their population’s needs, the stress of COVID-19 is likely to disrupt essential health services —from ensuring women can safely deliver babies, access family planning services, and immunize their children; to maintaining lifesaving treatments for malaria, HIV, tuberculosis, non-communicable diseases, and childhood pneumonia.