This report is documenting the global incidence of attacks and threats against health workers, facilities, and transport around the world. The report cites 806 incidents of violence against or obstruction of health care in 43 countries and territories in ongoing wars and violent conflicts in 2020, ranging from the bombing of hospitals in Yemen to the abduction of doctors in Nigeria. Attacks -- including killings, kidnappings, and sexual assaults, as well as destruction and damage of health facilities and transports -- compounded the threats to health in every country as health systems struggled to prepare for and respond to the outbreak of the COVID-19 pandemic.