What is tick-borne encephalitis (TBE)? Who is at risk? What can travelers do to prevent TBE? Traveler Information; Clinician Information
adolescents is the age of a person between 13 to 20 years A young person who has undergone puberty but who has not reached full maturity; a teenager.
They are called teenagers because their age number ends with teen. Someone aged 18 or 19 is also considered a young adult. Usage by ordinary people varies, and also varies in different societies. Most societies traditionally had a formal ceremony to mark the change from childhood to adulthood.