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Prevention & Treatment
Vaccines and Immunizations
Vaccines and immunizations aren't just for kids. Learn what is recommended for who (and when) and the significant role shots can play in keeping you healthy.
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
Infection Prevention Control in Hospitals
Medically reviewed by Richard N. Fogoros, MD
Is a Preservative-Free Flu Vaccine Safer?
Medically reviewed by Sanja Jelic, MD
Vaccinated and Unvaccinated Children Can Have Autism
Medically reviewed by Jonathan B. Jassey, DO
How Long Does a Flu Shot Last?
Medically reviewed by Keri Peterson, MD
What You Need to Know About Tdap, DPT and Tetanus Shots
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
How Flu Shots Work and Why They Sometimes Don't
Medically reviewed by Sanja Jelic, MD
Do I Need the Pneumonia Shot If I Have Asthma?
Medically reviewed by Benjamin F. Asher, MD
Essential Facts About the Tdap Vaccine
Medically reviewed by Susan Olender, MD
Latest CDC Flu Shot Recommendations and Guidelines
Medically reviewed by Jonathan B. Jassey, DO
How to Talk to a Vaccine Skeptic
Medically reviewed by Steven Gans, MD
History and Future of Infectious Disease Eradication
Medically reviewed by Caitilin Kelly, MD
What You Need to Know About the DTaP Vaccine
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
Preventing Shingles: Avoidance and Vaccination
Medically reviewed by Casey Gallagher, MD
Who Makes the Childhood Vaccine Schedule?
Fact checked by Ashley Hall
The Difference Between Immunization and Vaccination
Medically reviewed by Anju Goel, MD, MPH
History of the Anti-Vaccine Movement
Fact checked by Ashley Hall
Who Is at Risk From Unvaccinated Kids?
Medically reviewed by Lyndsey Garbi, MD