Back to health library Search health library Search Explore topics Vaccines Vaccines can help you avoid many diseases. Prevent liver damage with the hepatitis B vaccine Updated guidelines mean expanded protection. Read More The Basics COVID-19 boosters for moms-to-be Grown-ups need shots too Vaccines 101 Vaccines for kids Vaccines and kids quiz More information How vaccines are developed Be your child's best defense COVID-19 shots: Safe during all stages of pregnancy Stay on top of your kid’s shots What vaccines does your child need? Understanding herd immunity Take a shot at beating the flu The HPV vaccine: What parents should know Related Stories Doctors Appointments Locations Featured Topics Arthritis Sleep Stroke Quick Links Health tools Recipes Infographics