WEEKS.
32
28
26
ལྷཧྨཐགོསོ
30
24
22
20
Percentage of
15
Infected
16
Rats on Total
14
caught.
12
28
26
24
22
20
18
16
Number of
14
Plague Cases.
12
10
8
6
4
2
WEEKS.
Curves of Rat and Human Plague.-July 31st, 1903, to August 4th, 1904.
1903.
HEALTH DISTRICT III.
1904.
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
!
תר
M
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