1904.
Curves of Rat and Human Plague.-July 31st, 1903, to August 4th, 1904.
HEALTH DISTRICT IX.
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
WEEKS.
32
30
28
26
21
22
20
Percentage of
18
Infected
16
Rats on Total
14
caught.
12
10
8
6
4
22
ོམྨཱབྷཱཝེསྶནཝ༤
28
26
24
20
18
16
Number of
Plague Cases.
14
12
1903.
10
WEEKS.
16
0
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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