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What are vaccines?

Vaccines play an important role in keeping us healthy. They protect us from serious and sometimes deadly diseases. Vaccines are injections (shots), liquids, pills, or nasal sprays that you take to teach your body's immune system to recognize and defend against harmful germs. The germs could be viruses or bacteria.

Some types of vaccines contain germs that cause disease. But the germs have been killed or weakened enough that they won't make you sick. Some vaccines only contain a part of a germ. Other types of vaccines include instructions for your cells to make a protein of the germ.

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Results 1 - 10 of 1,327 for vaccine safety
  1. Vaccine Safety (National Library of Medicine)  
    ... company who makes the vaccine to evaluate the vaccine's safety and effectiveness. If the vaccine is found to ...
    https://medlineplus.gov/vaccinesafety.html - Health Topics
  2. Coronavirus Disease 2019 (COVID-19) Vaccine Safety (Centers for Disease Control and Prevention)  
    Learn safety information about the COVID-19 vaccine ... COVID-19 Vaccines/Related Issues ... COVID-19 Vaccines ... Centers for Disease Control and Prevention
    https://www.cdc.gov/vaccine-safety/vaccines/covid-19.html - External Health Links
  3. Hepatitis B Vaccine Safety (Centers for Disease Control and Prevention)  
    Learn safety information about the Hepatitis B vaccine. ... Hepatitis B/Prevention and Risk Factors ... Hepatitis B ... Centers for Disease Control and Prevention
    https://www.cdc.gov/vaccine-safety/vaccines/hepatitis-b.html - External Health Links
  4. Vaccine Safety (Centers for Disease Control and Prevention)  
    Vaccine Safety/Start Here ... Vaccine Safety ... Centers for Disease Control and Prevention ... Get the latest safety information from CDC on recommended US vaccines.
    https://www.cdc.gov/vaccine-safety - External Health Links
  5. Flu Vaccine Safety and Pregnancy (Centers for Disease Control and Prevention)  
    Learn about flu vaccine safety during pregnancy
    https://www.cdc.gov/flu/vaccine-safety/vaccine-pregnant.html - External Health Links
  6. Meningococcal Vaccine Safety (Centers for Disease Control and Prevention)  
    Meningococcal Disease/Prevention and Risk Factors ... Meningococcal Disease ... Centers for Disease Control and Prevention ... Learn safety information about the Meningococcal ...
    https://www.cdc.gov/vaccine-safety/vaccines/meningococcal.html - External Health Links
  7. Rotavirus Vaccine Safety (Centers for Disease Control and Prevention)  
    Rotavirus Infections/Related Issues ... Rotavirus Infections ... Centers for Disease Control and Prevention ... Learn safety information about the rotavirus vaccine.
    https://www.cdc.gov/vaccine-safety/vaccines/rotavirus.html - External Health Links
  8. Measles, Mumps, Rubella (MMR) Vaccine Safety Information (Centers for Disease Control and Prevention)  
    Rubella/Related Issues ... Rubella ... Mumps/Related Issues ... Mumps ... Measles/Related Issues ... Measles ... Centers for Disease Control and Prevention ... Learn safety information ...
    https://www.cdc.gov/vaccine-safety/vaccines/mmr.html - External Health Links
  9. Human Papillomavirus (HPV) Vaccine Safety (Centers for Disease Control and Prevention)  
    HPV/Related Issues ... HPV ... Centers for Disease Control and Prevention ... Learn safety information about the Human Papillomavirus (HPV) vaccine.
    https://www.cdc.gov/vaccine-safety/vaccines/hpv.html - External Health Links
  10. Vaccine Safety for Moms-to-Be (Centers for Disease Control and Prevention)  
    Vaccine Safety/Women
    https://www.cdc.gov/vaccines-pregnancy/moms-to-be - External Health Links
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