honeypot link
Brought to you by
About Merck
Merck Careers
Research
worldwide
skip to main content
skip to main content
Professional
Consumer
MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
DRUG INFO
RESOURCES
NEWS
ABOUT US
Home
/
Quick Facts: Infections
/
COVID-19
/
COVID-19
Expand all
Collapse all
COVID-19
What is COVID-19?
What causes COVID-19?
What is a coronavirus?
What are the symptoms of COVID-19?
Is COVID-19 fatal?
How can I tell if I have COVID-19?
How is COVID-19 treated?
How can I prevent COVID-19?
Quarantine and isolation
More Information