PC-Covid Quốc gia
Cục Tin học hóa, Bộ Thông tin và Truyền thông
GIA
COVID-19
Electronic Health Administration
COVID-19 EHS
Emirates Health Services
COVID Certificate
Federal Office of Public Health FOPH
Radar COVID
Ministerio de Asuntos Económicos y Transf. Digital
Passe Covid
Imprensa Nacional - Casa da Moeda S.A.
COVIDWISE
VDH
OpenWHO: 关于紧急卫生事件的知识
HPI Knowledge Engineering Team
马里兰州卫生厅 COVID 警报
Maryland Department of Health