a detailed analysis of epidemiology of measles in pre-vaccinal era is reported for both isolated , underdeveloped and developed populations , together with the most recent knowledge on epidemiological changes tooking place in those countries which introduced large-scale vaccination with live , further attenuated measles vaccines : reduction of morbidity mortality and complication rates , morbidity age shift , etc .
C0042210
vaccinal
C0042211
live