Public information only
This site provides public information from cited public-health sources. It is not medical advice, diagnosis, treatment, emergency guidance, or a substitute for clinicians or public-health authorities.
Users should follow clinicians, local health departments, CDC, WHO, ECDC, and other responsible public-health authorities. Emergency symptoms, including severe breathing difficulty, chest tightness, confusion, fainting, or rapidly worsening illness, require emergency care.
Case data may change as official sources update, reconcile, or reclassify records.
Primary sources reviewed
CDC, WHO, and ECDC official public-health pages were reviewed for this build. Current outbreak counts use official outbreak updates; evergreen pages use official background and guidance pages.