Symptoms of COVID-19: Complete Clinical List
COVID-19 symptoms include fever, cough, fatigue, shortness of breath and 2 more. Learn which are most common, how they progress over time, and which warning signs require prompt evaluation.
Updated March 27, 2026
The main symptoms of COVID-19 include fever, cough, fatigue, shortness of breath and 2 more. COVID-19 is an infectious respiratory disease caused by the SARS-CoV-2 virus. Symptoms range from mild (fever, cough, fatigue) to severe (pneumonia, respiratory failure). Long COVID affects some patients with persistent symptoms lasting months.
Clinical Context
Symptoms of COVID-19 vary between individuals and may change over the course of the condition. Early recognition allows for timely diagnosis and treatment.
Clinical Pathway
COVID-19 — Full Condition GuideCondition HubCOVID-19 — Differential DiagnosisDifferentialCOVID-19 vs. Influenza (Flu) — Comparisonvs.Fever — Symptom HubSymptomCough — Symptom HubSymptomFatigue — Symptom HubSymptomShortness of breath — Symptom HubSymptomLoss of smell — Symptom HubSymptomFrequently Asked Questions
Symptoms of COVID-19: Complete Clinical List?+
The main symptoms of COVID-19 include fever, cough, fatigue, shortness of breath and 2 more. COVID-19 is an infectious respiratory disease caused by the SARS-CoV-2 virus. Symptoms range from mild (fever, cough, fatigue) to severe (pneumonia, respiratory failure). Long COVID affects some patients with persistent symptoms lasting months.
What are the first symptoms of COVID-19?+
Early symptoms often include fever and cough. These can be subtle at first.
How many symptoms of COVID-19 are needed for diagnosis?+
Diagnosis is based on clinical criteria and does not require all symptoms. Your doctor considers full medical history and test results.
Can COVID-19 be present without obvious symptoms?+
Yes — some presentations can be asymptomatic or mild, especially in early stages.
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