Basic principles of a regular immunization programme.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control; D003604:Czechoslovakia; D003718:Denmark; D004165:Diphtheria / Q000517:prevention & control; D004196:Disease Outbreaks / Q000517:prevention & control; D005859:Germany, East; D006801:Humans; D006814:Hungary; D007115:Immunization Schedule; D007223:Infant; D007231:Infant, Newborn; D007391:International Cooperation; D008499:Medical Records; D008875:Middle Aged; D011044:Poland; D011051:Poliomyelitis / Q000517:prevention & control; D012383:Romania; D012899:Smallpox / Q000517:prevention & control; D013742:Tetanus / Q000517:prevention & control; D014376:Tuberculosis / Q000517:prevention & control; D014435:Typhoid Fever / Q000517:prevention & control; D014586:USSR; D006113:United Kingdom; D014611:Vaccination; D014917:Whooping Cough / Q000517:prevention & control