London's Pulse: Medical Officer of Health reports 1848-1972

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Barking 1969

[Report of the Medical Officer of Health for Barking]

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TETANUS IMMUNISATION

Year of BirthPrimary ImmunisationChildren who received a booster dose
196940_
1968709419
196758948
196631160
1962-651412,143
Others under age 16374873
Total all ages1,3534,543

POLIOMYELITIS VACCINATION

Year of BirthPrimary ImmunisationChildren who received a booster dose
196942_
1968711424
196780871
196635139
1962-651192,067
Others under age 1648563
Total all ages1,0354,064

B.C.G. VACCINATION
B.C.G. vaccination is a safe and very effective method of protecting
the individual against tuberculosis. Extensive trials in England and Wales
have shown that it provides 80% protection against subsequent tuberculous
infection. The protection is long lasting and remains substantial for
10 or more years after vaccination.
During 1969 the use of an intradermal jet injector was evaluated in
a survey of 500 children injected by this relatively new technique. It
was found that over 99% showed a conversion in tuberculin sensitivity as
demonstrated by the appearance of a local reaction or by further Heaf
testing. It is intended to use thi6 as the sole method of B.C.G. vaccination
next year. If it is permitted to lift the veil of statistics we will be
reporting a 29/<> increase in the total number of children accepting B.C.G.
vaccination.
During this year 1,261 children were given B.C.G. vaccine, an increase
of 17 over 1968. 8l pupils had a grade 2 or more reaction to Heaf testing
and were referred to the Consultant Chest Physician for further investigation.
It is now our policy to vaccinate children showing Grade 1 response to
Heaf testing as it is more than probable that their response to the Heaf
test is due to mycobacteria other than tuberculosis.
In addition 256 contacts of tuberculosis were vaccinated by the Chest
Physician.
40