Read condition-specific symptoms and clinical context for SARS-CoV-2. The virus that causes COVID-19, with a variable clinical course.
SARS-CoV-2 causes COVID-19. Illness can range from mild to severe. Symptoms may change with variants and can differ depending on vaccination status. This profile summarizes possible symptoms rather than predicting an individual's illness.
These are possible symptoms, not a complete list or a diagnostic checklist.
Possible symptoms: Fever or chills; Cough or sore throat; Congestion or runny nose; Fatigue or body aches; New change in taste or smell; Nausea, vomiting, or diarrhea.
Breathing difficulty, persistent chest pain or pressure, new confusion, or difficulty staying awake require emergency medical help.
Source check: 2026-09-19. Educational content; independent scientific review remains pending.