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

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Battersea 1896

Report upon the public health and sanitary condition of the Parish of St. Mary, Battersea during the year1896

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121
Of the 1,944 vaccinated cases—
108, or 5.6 per cent., were very mild.
1,622 „ 83.4 „ „ discrete.
32 „ 1.6 ,, „ severe discrete.
182 „ 9.4 „ „ confluent.
Of the 409 unvaccinated cases—
2, or 0.5 per cent., were very mild.
142 „ 34.7 „ „ discrete.
64 „ 15.6 „ „ severe discrete.
201 ,, 49.1 ,, ,, confluent.
Separating now children under 10 years of age:—
Of the 130 vaccinated cases—
30, or 23.1 per cent., were very mild.
83 ,, 63.8 „ „ discrete.
4 ,, 3.1 „ „ severe discrete.
13 ,, 10.0 „ ,, confluent.
Of the 228 unvaccinated cases—
1, or 0.4 per cent., was very mild.
84 „ 36.8 „ were discrete.
45 „ 19'.7 ,, ,,severe discrete.
98 „ 43.0 „ „ confluent.

In London, a classification of the types of disease renders comparison less easy. If, however, the severer class be composed of the severe discrete and the confluent, the milder class as before consisting of the mild and discrete, the result is as follows:—

Milder.Severer.
LondonVaccinated89.011.0
Unvaccinated35.264.8

If the proportion which the mild bear to the severe cases in
those under 10 years of age be examined, it will be seen that in
the vaccinated class the ratio of the milder type is much greater