| Description | [Sheffield] Public Health Department: monthly totals of courses of diphtheria immunisation, statistics being grouped together into half year of birth [Jan-Jun, Jul-Dec] of each immunised child, born from 1929 onwards
At back: diphtheria immunisation statistics produced for the Ministry of Health, 1944 - 1958; vaccination against smallpox records produced for Ministry of Health, 1948 - 1971 |