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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.
Older Black man wearing a mask and receiving a vaccine from a medical provider
How Will My Health Insurance Cover a COVID-19 Vaccine?
Fact checked by Ashley Hall
Justice Scales and books and wooden gavel
What Is the Vaccine Court and How Does It Work?
Medically reviewed by Anju Goel, MD, MPH
Bandaid close-up
How Do Vaccines Work, Exactly?
Medically reviewed by Caitilin Kelly, MD
Thermacell Scout Lantern
How to Prevent the Zika Virus
Medically reviewed by Andy Miller, MD
Doctor applying bandaid to child's arm after vaccination
Top 20 Vaccines You Should Know About
Medically reviewed by Cristian Zanartu, MD
girl getting a bandaid after receiving her shot
Mandatory vs. Recommended Vaccinations
Medically reviewed by Anju Goel, MD, MPH
Woman getting a shot.
UTI Vaccine Shows Promise
Medically reviewed by Anju Goel, MD, MPH
woman getting a shot in her arm
What to Know About the Typhoid Vaccine
Medically reviewed by Anju Goel, MD, MPH
Nurse giving older man a vaccine
Medicare Covers These Vaccines: Is It Worth a Shot?
Medically reviewed by Keri Peterson, MD
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Tips to Avoid Hospital Infections
Fact checked by Ashley Hall
Male doctor giving female patient an injection in clinic examination room
Recommended Vaccinations for Healthcare Workers
Medically reviewed by Chris Vincent, MD
Child vaccination
Safety of the MMR Vaccine for Kids With Egg Allergies
Medically reviewed by Daniel More, MD
Boy getting a shot
Why Do Some Kids Need Two Flu Shots?
Medically reviewed by Lindsey Waldman, MD, RD
Doctor giving young girl flu shot
Flu Shots: Timing, Side Effects, and More
Medically reviewed by Anju Goel, MD, MPH
Father holding newborn son
Who Should Not Get Flu Shots
Medically reviewed by Chris Vincent, MD
Young man smiles in relief at pharmacist after flu vaccination
Afluria Flu Vaccine Jet Injector: Uses, Side Effects, Dosages, Precautions
Medically reviewed by Michael Menna, DO
Woman blowing her nose
Why Isn't There a Vaccine for the Common Cold?
Medically reviewed by Sanja Jelic, MD
Woman sipping tea
Survey: Effective Vaccine Conversations Rely on Open Communication
By Amanda Morelli and Brett Spiegel, MPH
Grandmother lying in bed with baby
5 Vaccines All Grandparents Should Get
Medically reviewed by Jenny Sweigard, MD
Hispanic boy getting a shot at doctor's office
Vaccines in People Allergic to Eggs: What's Safe?
Medically reviewed by Daniel More, MD
Boy getting flu shot
Common Side Effects of the Influenza Vaccine
Medically reviewed by Keri Peterson, MD
Flu vaccine
When is it Too Late to Get a Flu Shot?
Medically reviewed by Jonathan B. Jassey, DO
Eggs
Should You Get a Flu Shot If You Have an Egg Allergy?
Medically reviewed by Daniel More, MD
Man washing hands in sink
How to Prevent the Risk of Infectious Diseases
Medically reviewed by Rochelle Collins, DO
flu shot
Hospice Patients and the Flu Vaccine
Fact checked by James Lacy
Flu shot
Can I Get A Flu Shot While Sick?
Medically reviewed by Michael Menna, DO
A syringe is injected into a vial
Do Vaccines Contain Aborted Fetal Tissue?
Medically reviewed by Jonathan B. Jassey, DO
Healthcare worker prepares a inoculation vaccine
How Smallpox Vaccine Helped Win the American Revolution
Medically reviewed by Anju Goel, MD, MPH
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Why Is It So Hard to Make an HIV Vaccine?
Medically reviewed by Latesha Elopre, MD, MSPH
Girl receiving vaccine
Preventing Chickenpox: Avoidance and Vaccination
Medically reviewed by Andy Miller, MD
Young doctor giving a patient injection.
Study Shows Gardasil to Be Highly Effective
Medically reviewed by Brian Levine, MD
Woman administering a vaccine
Overview of Inactivated Vaccines
Medically reviewed by Anju Goel, MD, MPH
MMR vaccine
What You Need to Know About Live Virus Vaccines
Medically reviewed by Sanja Jelic, MD
Girl is Feeling Sick and Wrapped in Blanket
Tamiflu and Its Safe Use for Kids
Medically reviewed by Sanja Jelic, MD
boxes of tamiflu
Taking Tamiflu to Treat the Flu
Medically reviewed by Jason DelCollo, DO
Parents holding baby girl while pediatrician prepares vaccination
The MMR Vaccination-Autism Controversy
Medically reviewed by Steven Gans, MD
teenage boy bracing himself for injection from a doctor
Overview of HPV Vaccine Gardasil 9 for Boys
Medically reviewed by Anita Sadaty, MD
Young boy getting a shot
Does Your Child Need a Flu Shot?
Medically reviewed by Lyndsey Garbi, MD
Cervical Cancer Vaccine
Recommended Immunization Schedule for Teens
Medically reviewed by Lindsey Waldman, MD, RD
Caring doctor talks with young patient
Measles Prevention
Medically reviewed by Andy Miller, MD
Medical consultation
Recommended Vaccines for Adults
Medically reviewed by Anju Goel, MD, MPH
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Why You May Still Get Sick After a Flu Shot
Medically reviewed by Michael Menna, DO
Doctor injecting vaccination in arm of little child girl
How Often Do You Need Tetanus Booster Shots?
Medically reviewed by Rochelle Collins, DO
Multiple patients, doctors, and nurses in a hospital
Infection Prevention Control in Hospitals
Medically reviewed by Richard N. Fogoros, MD
Vaccine vial
Is a Preservative-Free Flu Vaccine Safer?
Medically reviewed by Sanja Jelic, MD
Andy Wakefield supporters.
Vaccinated and Unvaccinated Children Can Have Autism
Medically reviewed by Jonathan B. Jassey, DO
Woman receiving a vaccine.
How Long Does a Flu Shot Last?
Medically reviewed by Keri Peterson, MD
Injection
What You Need to Know About Tdap, DPT and Tetanus Shots
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
2 vials of flu vaccine
How Flu Shots Work and Why They Sometimes Don't
Medically reviewed by Sanja Jelic, MD
Nurse giving patient injection in hospital
Do I Need the Pneumonia Shot If I Have Asthma?
Medically reviewed by Benjamin F. Asher, MD
Nurse putting bandaid on child's arm
Essential Facts About the Tdap Vaccine
Medically reviewed by Anju Goel, MD, MPH
pharmacist giving flu shot to little girl
Latest CDC Flu Shot Recommendations and Guidelines
Medically reviewed by Jonathan B. Jassey, DO
two women having serious conversation
How to Talk to a Vaccine Skeptic
Medically reviewed by Steven Gans, MD
doctor in lab filling syringe with vaccine
History and Future of Infectious Disease Eradication
Medically reviewed by Caitilin Kelly, MD
Vaccination
What You Need to Know About the DTaP Vaccine
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
Getting flu vaccine
Preventing Shingles: Avoidance and Vaccination
Medically reviewed by Casey Gallagher, MD
Doctor Applying Bandage After Giving Vaccine
Who Makes the Childhood Vaccine Schedule?
Fact checked by Ashley Hall
Girl getting vaccine at the doctor
The Difference Between Immunization and Vaccination
Medically reviewed by Anju Goel, MD, MPH
Baby being vaccinated
History of the Anti-Vaccine Movement
Fact checked by Ashley Hall
Person's hand examining fever of a child
Who Is at Risk From Unvaccinated Kids?
Medically reviewed by Lyndsey Garbi, MD