Evergreen medical profile
COVID-19
This page is medical background from WHO/CDC citations. It is not current-event intelligence.
- Pathogen
- SARS-CoV-2
- Transmission
- Respiratory droplets and aerosols (WHO).
- Incubation
- Typically 2–14 days; often shorter with later variants (WHO/CDC).
- Typical symptoms
- Fever, cough, fatigue, loss of taste or smell; wide severity range.
- Treatment
- Supportive care and specific antivirals/mAbs per current guidance (WHO/CDC).
- Vaccine
- Multiple vaccines authorized; recommendations change with variants (WHO).
- Historical fatality
- Varies by variant, age, immunity, and care access.