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Report of the Medical Officer of Health. 49
During the year 1911, of 6,579 children whose births were
registered, 3,705 or 56.3 per cent. were successfully vaccinated,
compared with 56.1 per cent. in 1910, 60.9 per cent. in 1909, 61.3
per cent. in 1908, 66.5 per cent. in 1907, 71.05 per cent. in 1906
and 74.6 per cent. in 1905. This is again a decided decrease compared
with the five previous years, but a slight increase compared
with 1910.
The next Table shows the percentage of children vaccinated
to total births registered in the Borough, and in the vaccination
sub-districts for the year 1911, as well as for the 10 years 1901-1910.
The average for the 10 years is also shown on this Table.
Compared with 1910 there has been a decrease in the percentage
of successfully vaccinated in all the sub-districts, with the exception
of Clapham. The greatest decrease occurred in Streatham, and the
smallest in Putney, while in the whole Borough there has been a
decrease of no less than 4.8 per cent.
Compared with the decennial average there has been a decrease
in all the sub-districts, the greatest decrease having been in Wandsworth,
and the smallest in Clapham and Putney.
581 infants died unvaccinated, a percentage of 5.8, compared
with 6.2 in 1910, 5.9 in 1909, and 6.7 in 1908.
Of the 2,293 infants remaining, 23 or .35 per cent. were stated
to have been insusceptible to vaccination; 1,116 or 16.9 per cent.
in respect of whom certificates of conscientious objection were
received; 162, or 2.4 per cent. had vaccination postponed by
medical certificate, leaving 753 or 11.4 per cent. as removed, not
to be traced, or otherwise unaccounted for, compared with 13.6 in
1910, 13.3 in 1909, and 13.6 in 1908; while 239 or 3.6 per cent.
remained on the books as unvaccinated, compared with 33 in 1910,
3.3 in 1909, and 1.5 in 1908.
There has been a decrease of 2.2 in the percentage of cases
removed, and an increase of 2.4 in the number of certificates of
conscientious objections received.
D