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Over 4,000 swabs were taken by the Health Visitors and subsequently
investigated by Dr. A. J. H. Tomlinson, Dr. J. R. Davies and
the rest of the County Hall Public Health Laboratory staff, and I wish
to thank the latter for their help and advice during the outbreak. I am
also grateful to Dr. Ian Taylor, Epidemiologist at County Hall, for his
assistance in the day to day epidemiological problems raised by the
outbreak.
Two cases of poliomyelitis occurred in one family during 1961Ohe,
a boy aged six years, suffered some paralysis of the right arm,
while his brother, aged nine years, was a non-paralytic case. Neither
of these children had been immunised.
There was an increase in the number of cases of infective hepatitis
amongst school children in the Borough during the latter part of 1960
and the beginning of 1961. This disease is not notifiable under the
Public Health (London) Act, 1936, or under any special Regulations, but
we become aware of cases through the schools, and during 1961, 72
cases amongst school children alone were reported in this way. A
modified form of exclusion of contacts from school was instituted, and
the local doctors were informed of this and their co-operation obtained-