What is COVID-19?
COVID-19 is a respiratory infection caused by the SARS-CoV-2 virus.
Symptoms, causes and assessment
Fever, cough, sore throat, fatigue or smell changes may occur, with varying severity. Other infections can look similar. Testing, risk assessment and steps to reduce spread should follow current local guidance.
Care and when to seek help
Early assessment may matter for higher-risk people and treatment options. Marked breathing difficulty, persistent chest pain or new confusion needs emergency care. Vaccination and prevention guidance can change; check current health authority advice.
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