Vaccination Coverage and Level of Protection in Patients at Risk

The purpose of this study is to determine 1. vaccination coverage of recommended vaccines (routine childhood vaccines and vaccines against seasonal flu and pneumococci) in children with chronic diseases (allergy, cystic fibrosis, diabetes mellitus type 1, congenital heart disease, immunocompromised and solid organ transplant patients) 2. the level of protection against measles, mumps, rubella and pertussis in children with chronic diseases. 3. vaccination coverage of recommended vaccines (diphtheria, tetanus, pertussis and vaccines against seasonal flu and pneumococci) in adults with chronic diseases (nephropathy, diabetes mellitus, COPD, heart failure, HIV and solid organ transplant patients) 4. the level of protection against diphtheria, tetanus and pertussis in adults with chronic diseases.