ABOUT IVS

The Institute for Vaccine Safety was established in 1997 at the Johns Hopkins University School of Public Health. Our mission is to independently assessment vaccines and vaccine safety to help guide decision makers and educate physicians, the public and the media about key issues surrounding the safety of vaccines. The institute’s goal is to work toward preventing disease using the safest vaccines possible.
More About IVS

Article on How to Fund and Improve Vaccine Safety Systems

IVS Director, Dr. Daniel Salmon, and co-authors discuss vaccine pharmacovigilance programs and make recommendations on how to fund and improve safety systems into the future. The recently published article, Lessons Learned from COVID-19, H1N1, and Routine Vaccine Pharmacovigilance in the United States: A Path to a More Robust Vaccine Safety Program, describes the key characteristics of vaccine pharmacovigilance programs, reviews U.S. vaccine pharmacovigilance for routine vaccination programs, COVID-19, and H1N1, and makes recommendations for improving future vaccine safety systems. 

Your Questions Answered

Do you have questions about getting multiple vaccines ?

Recommended article: Do Combination Vaccines or Simultaneous Vaccination Increase the Risk of Adverse Events?

Certain combination vaccines or simultaneous administration of vaccines that are known to cause fever can rarely cause febrile seizures in infants and young children beyond the risk presented by individually administered vaccines.

Do Combination Vaccines or Simultaneous Vaccination Increase the Risk of Adverse Events?

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Do you still wonder whether vaccines cause autism?

Recommended article: Do Vaccines Cause Autism?

Childhood vaccines do not cause autism. Maternal vaccines have not been shown to cause autism.

Do Vaccines Cause Autism?

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Are you wondering about what's in vaccines?

Recommended article: DO VACCINE INGREDIENTS CAUSE ADVERSE EVENTS?

Certain ingredients that are present in some vaccines (other than disease-specific antigens), such as gelatin or neomycin, can very rarely cause severe hypersensitivity reactions (e.g. anaphylaxis) in vaccines with those specific allergies.

DO VACCINE INGREDIENTS CAUSE ADVERSE EVENTS?

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Do Vaccines Cause Asthma?

Recommended article: DO VACCINES CAUSE ASTHMA?

Natural infection with influenza can contribute to asthma exacerbation. Thus, influenza vaccine prevents asthma exacerbation by protecting against natural infection.

DO VACCINES CAUSE ASTHMA?

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