( 4 )
Diagram illustrating death-rate from small-
pox, and degree of protection afforded.
11. The following diagram illustrates the death-rates from small-pox in each district with side by side the proportion
population protected against the disease by vaccination during the past seven years :—
1897—1904.
[NLS note: a graphic appears here - see image of page]
NOTE. -Thin lines indicate the death-rates from small-pox.
Thick lines indicate the proportion of population protected by vaccination.