Competition of children's drawings «What do you know about vaccination?» takes place in Kazan from April, 25th till May, 11th within the limits of European Immunization Week. Children of health personnel at the age from 10 till 15 years old take part in the competition in following themes: «Tell “Yes” to vaccination», «Vaccination is the step to my health», «Who needs the vaccination», «Vaccination will save me» and «Secret of vaccination».