Menu
Verywell Health
Epidemics
Health A-Z
COVID-19
Arthritis
Type 2 Diabetes
Heart Disease
Digestive Health
Multiple Sclerosis
View All
Prevention & Treatment
COVID-19 Vaccines
Vaccines
First Aid
Surgery
Supplements
Healthy Aging
View All
Health Care
Health Insurance
Public Health
Patient Rights
Health Technology
Caregivers & Loved Ones
End of Life Concerns
View All
News
COVID-19
Health News
Tools & Resources
COVID-19 Vaccine Distribution Tracker
Thyroid Test Analyzer
Doctor Discussion Guides
Hemoglobin A1c Test Analyzer
Lipid Test Analyzer
Complete Blood Count (CBC) Analyzer
Healthy Conversations Coach
About Us
Editorial Process
Medical Review Board
Search
Search
Clear
GO
More in Public Health
Epidemics
Healthy Conversations
Tools & Resources
COVID-19 Vaccine Distribution Tracker
Thyroid Test Analyzer
Doctor Discussion Guides
Hemoglobin A1c Test Analyzer
Lipid Test Analyzer
Complete Blood Count (CBC) Analyzer
Healthy Conversations Coach
Coronavirus vs. Flu
How to Properly Use Hand Sanitizer
Tobacco: New Legal Minimum Age
Best OTC Flu Meds
Who Should Wear Medical Masks?
COVID-19 Timeline
Health A-Z
COVID-19
Arthritis
Type 2 Diabetes
Heart Disease
Digestive Health
Multiple Sclerosis
View All
Prevention & Treatment
COVID-19 Vaccines
Vaccines
First Aid
Surgery
Supplements
Healthy Aging
View All
Health Care
Health Insurance
Public Health
Patient Rights
Health Technology
Caregivers & Loved Ones
End of Life Concerns
View All
News
COVID-19
Health News
View All
About Us
Editorial Process
Privacy Policy
Contact Us
Visit our other Verywell sites:
Verywell Fit
Verywell Mind
Verywell Family
Ⓒ 2021 About, Inc. (Dotdash) — All rights reserved
COVID-19 Vaccines:
Updates and Resources
Health Care
Public Health
Epidemics
Epidemics are disease outbreaks that actively spread over wide areas and affect large numbers of people. Learn more about how these outbreaks are addressed in the field of public health.
What Scientists Know About the COVID-19 Virus
Fact checked by Ashley Hall
When to Seek Emergency Care During the COVID-19 Pandemic
Medically reviewed by Anju Goel, MD, MPH
What Happens During a Quarantine?
Fact checked by James Lacy
How do you get tested for COVID-19? 15 Common Coronavirus (COVID-19) Questions
Fact checked by Ashley Hall
How Coronavirus (COVID-19) Is Diagnosed
Medically reviewed by Anju Goel, MD, MPH
Coronavirus (COVID-19) and the Flu: Similarities and Differences
Medically reviewed by Anju Goel, MD, MPH
COVID-19 (Coronavirus Disease 2019) Timeline
Fact checked by Ashley Hall
What is Coronavirus (COVID-19): Symptoms, Diagnosis, and Treatment
Medically reviewed by Andy Miller, MD