Menu
Verywell Health
Prevention and Treatment
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 Verywell Health
Vaccines
Healthy Aging
First Aid
Occupational Therapy
Holistic Health
Surgery
View More
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
Prevention and Treatment
Some factors that influence health are out of your control. Start here to learn what you can affect so you can invest in yourself and live your longest, healthiest life.
How Autoimmune Diseases Are Treated
By Lana Bandoim
What Is a Cohort Study?
Medically reviewed by Anju Goel, MD, MPH
What Are Medical Guidelines?
Medically reviewed by Isaac O. Opole, MD, PhD
Sensitivity and Specificity in Medical Testing
Fact checked by Ashley Hall
Explore Prevention & Treatment
All
Vaccines
Healthy Aging
First Aid
Occupational Therapy
More
Holistic Health
Surgery
Internal Bleeding: Signs, Symptoms, and Complications
Medically reviewed by Michael Menna, DO
The Best Vitamins for Fighting Inflammation
Medically reviewed by Lana Butner, ND, LAc
Who Do Men Talk to About Their Health?
Medically reviewed by Jason DelCollo, DO
What to Know About Flumazenil
Medically reviewed by Claudia Chaves, MD
Lung Transplant: Donor Selection, Surgery, and Recovery
Medically reviewed by Sanja Jelic, MD
Can CBD Oil Help Relieve Pain?
Medically reviewed by Lana Butner, ND, LAc
Flaxseed Oil: Benefits, Side Effects, Dosage, and Interactions
Medically reviewed by Lana Butner, ND, LAc
CBD Oil: Benefits, Side Effects, Dosage, and Interactions
Medically reviewed by Lana Butner, ND, LAc
What You Need to Know About Fludrocortisone
Medically reviewed by Ana Maria Kausel, MD
Best Diabetic Meal Delivery Services of 2021
By Natasha Freutel
Best At-Home HPV Tests
By Kayla Hui, MPH
The Best At-Home Lyme Disease Tests of 2021
Fact checked by Sean Blackburn
Best At-Home Hepatitis C Tests
By Kayla Hui, MPH
Vaccine Side Effects and Adverse Events
Medically reviewed by Anju Goel, MD, MPH
Antibodies From Vaccines vs. From Natural Infection
Medically reviewed by Anju Goel, MD, MPH
COVID-19 Vaccines: Update, Types, and Development
Medically reviewed by Anju Goel, MD, MPH
Is the COVID-19 Vaccine Free If You're Uninsured?
Fact checked by Ashley Hall
How Will My Health Insurance Cover a COVID-19 Vaccine?
Fact checked by Ashley Hall
What Is the Vaccine Court and How Does It Work?
Medically reviewed by Anju Goel, MD, MPH
How Do Vaccines Work, Exactly?
Medically reviewed by Caitilin Kelly, MD
How to Prevent the Zika Virus
Medically reviewed by Andy Miller, MD
Top 20 Vaccines You Should Know About
Medically reviewed by Cristian Zanartu, MD
Mandatory vs. Recommended Vaccinations
Medically reviewed by Anju Goel, MD, MPH
UTI Vaccine Shows Promise
Medically reviewed by Anju Goel, MD, MPH
What to Know About the Typhoid Vaccine
Medically reviewed by Anju Goel, MD, MPH
Medicare Covers These Vaccines: Is It Worth a Shot?
Medically reviewed by Keri Peterson, MD
Tips to Avoid Hospital Infections
Fact checked by Ashley Hall
Recommended Vaccinations for Healthcare Workers
Medically reviewed by Chris Vincent, MD
Safety of the MMR Vaccine for Kids With Egg Allergies
Medically reviewed by Daniel More, MD
Why Do Some Kids Need Two Flu Shots?
Medically reviewed by Lindsey Waldman, MD, RD
Flu Shots: Timing, Side Effects, and More
Medically reviewed by Anju Goel, MD, MPH
Who Should Not Get Flu Shots
Medically reviewed by Chris Vincent, MD
Afluria Flu Vaccine Jet Injector: Uses, Side Effects, Dosages, Precautions
Medically reviewed by Michael Menna, DO
Why Isn't There a Vaccine for the Common Cold?
Medically reviewed by Sanja Jelic, MD
Survey: Effective Vaccine Conversations Rely on Open Communication
By Amanda Morelli and Brett Spiegel, MPH
5 Vaccines All Grandparents Should Get
Medically reviewed by Jenny Sweigard, MD
Vaccines in People Allergic to Eggs: What's Safe?
Medically reviewed by Sanja Jelic, MD
Common Side Effects of the Influenza Vaccine
Medically reviewed by Keri Peterson, MD
When is it Too Late to Get a Flu Shot?
Medically reviewed by Jonathan B. Jassey, DO
Should You Get a Flu Shot If You Have an Egg Allergy?
Medically reviewed by Daniel More, MD
How to Prevent the Risk of Infectious Diseases
Medically reviewed by Rochelle Collins, DO
Hospice Patients and the Flu Vaccine
Fact checked by James Lacy
Can I Get A Flu Shot While Sick?
Medically reviewed by Michael Menna, DO
Do Vaccines Contain Aborted Fetal Tissue?
Medically reviewed by Jonathan B. Jassey, DO
How Smallpox Vaccine Helped Win the American Revolution
Medically reviewed by Anju Goel, MD, MPH
Why Is It So Hard to Make an HIV Vaccine?
Medically reviewed by Latesha Elopre, MD, MSPH
Preventing Chickenpox: Avoidance and Vaccination
Medically reviewed by Andy Miller, MD
Study Shows Gardasil to Be Highly Effective
Medically reviewed by Brian Levine, MD
Overview of Inactivated Vaccines
Medically reviewed by Anju Goel, MD, MPH
What You Need to Know About Live Virus Vaccines
Medically reviewed by Sanja Jelic, MD
Tamiflu and Its Safe Use for Kids
Medically reviewed by Sanja Jelic, MD
Taking Tamiflu to Treat the Flu
Medically reviewed by Jason DelCollo, DO
The MMR Vaccination-Autism Controversy
Medically reviewed by Steven Gans, MD
Overview of HPV Vaccine Gardasil 9 for Boys
Medically reviewed by Anita Sadaty, MD
Does Your Child Need a Flu Shot?
Medically reviewed by Lyndsey Garbi, MD
Recommended Immunization Schedule for Teens
Medically reviewed by Lindsey Waldman, MD, RD
Measles Prevention
Medically reviewed by Andy Miller, MD
Recommended Vaccines for Adults
Medically reviewed by Anju Goel, MD, MPH
Why You May Still Get Sick After a Flu Shot
Medically reviewed by Michael Menna, DO
How Often Do You Need Tetanus Booster Shots?
Medically reviewed by Rochelle Collins, DO