Human papillomavirus (HPV)

Human papillomavirus (HPV) infection is a viral infection that is mainly sexually transmitted by direct contact...

Influenza

Influenza (flu) is a contagious respiratory illness caused by infection with an influenza virus. In Europe, influenza occurs...

Measles

Measles is a highly contagious viral disease that can be contracted at any age, and that can spread widely.

disease illustration

This website does not contain any specific information on the ongoing development of vaccines against COVID-19. For up-to-date information on COVID-19, see:

The main purpose of this website is to provide accurate, objective, up-to-date evidence on vaccines and vaccination in general. It also provides an overview of the mechanisms in place in the European Union (EU) to ensure that available vaccines conform to the highest standards of safety and effectiveness. Read more About us.

Benefits of vaccination for individuals

Vaccination protects individuals against diseases that could have serious consequences for...

Benefits of vaccination for the community

Vaccination protects the vaccinated persons and those around them who are vulnerable to the diseases...

How vaccines work

Each virus and bacterium triggers a unique response in the immune system involving a specific set of cells in the blood...

Approval of vaccines in the European Union

Before a vaccine can be approved in the EU, it has to undergo rigorous testing by its developer...

When to vaccinate

Vaccines protect people during different stages of life. Vaccines are recommended for different age...

Vaccine effectiveness

A vaccine's ability to prevent a specific disease determines its effectiveness.