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IMMUNISATION AND VACCINATION
Vaccination against Smallpox
There was a considerable increase in re-vaccinations during the year from 299 in 1968 to 645 in 1969.
This was mainly due to the introduction into the routine Immunisation Schedule of the Re-vaccination
of School Children, at School Entry and School Leaving Ages. (Primary Vaccination is not
recommended as a routine at these times).

Vaccination against Diphtheria, Whooping Cough, Tetanus, Poliomyelitis and Measles
Primary Immunisation
The revised immunisation schedule which was introduced for babies born after January 1968, results
in their completing their primary immunisation with Triple Vaccine and Oral Poliomyelitis Vaccine
at about fourteen months. This is the reason for the fall in completed Triple and Polio immunisation
in the 0 - 1 year age group, and the increase in the 1 - 2 year age group.
The fall in Measles Vaccination as compared with the very high figure of 5963 in 1968 is due to
the ending of the special Measles campaign and the severe shortage of Measles Vaccine for a
considerable part of 1969.
Re-lnforcing Doses
The new schedule of Triple and Polio Immunisation does away with the need for a booster dose at
eighteen months of age, which accounts for the difference in the total of Triple and Polio boosters
in the 1 — 2 year age group.
The increase in Tetanus and Polio booster doses in the 6-16 age group is accounted for by the
start which has been made in giving Booster doses to the School Leavers.
The following tables record the number of persons under the age of 16 known to have received a
primary course of reinforcing dose during the year by general practitioners or clinic staff.