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Merck Manual
Professional Version
MEDICAL TOPICS
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MEDICAL TOPICS
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Infectious Disease
COVID-19
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COVID-19
Transmission
Transmission references
Symptoms and Signs
Factors associated with high risk of progression to severe disease
Factors associated with increased (but not high) risk of progression to severe disease
Complications
Symptom resolution
Symptoms and signs references
Diagnosis
Evaluating symptomatic patients
Diagnosis references
Treatment
Early treatment for patients with mild to moderate COVID-19 who are high risk of progression to severe illness
Treatment for patients with severe COVID-19
Treatment references
Post–COVID-19 Infection and Long-Term Sequelae
Post–COVID-19 infection and long-term sequelae references
Prevention
COVID-19 vaccination
Monoclonal antibody
Precautions to prevent transmission from a person with COVID-19 infection
Exposure prevention
Postexposure prophylaxis
Prevention references