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Reported Prevalence for the Year 1922—Medians for Previous Years—Continued. CEREBROSPINAL MENINGITIS, EPIDEMIC—Continued.

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Cambridge

Fall River

Lowell

Lynn •

Nnr Bedford

Springfield

Worcester

'Enumerated population Jan. I, 1920.

l.-.K

'i n H II 0

II

Reported Prevalence for the Year 1922—Medians for Previous Years—Continued.

CHICKEN POX—Continued.

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Reported Prevalence for the Year 1922—Medians for Previous Years—Continued.

DENGUE.

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Estimated

population

Jnlv 1,

1922.

Median.

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1922

Cases

reported.

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Cases
l>cr
1,000
inhab-
itants.

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Fatalities per 100 cases.

5. II 8.5 7.2

5. 0

4.5

1.2 5.7

19.2

6.0

12.3 7.6 5.1

3. 5

5.7

6.1

l.s 1.9 16.0 7.5 5. 6 7.5 14.6 111.3

7.3

Flint 111.791

Grand Rapids 143,572 I

1 Enumerated population Jan. 1,1920.

3,596
385

2, 779
503

:(07

2. s.)
I. .70
2.11

7.2
4.9

Reported Prevalence for the Year 1922—Medians for Previous Years—Continued. Reported Prevalence for the Year 1922 —Medians for Previous Years—Continued.

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DIPHTHERIA—Continued.

1 Enumftrated population Jan. 1. 1920.

* ]>>■_■; Moines not included.

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INFLUENZA.

'Enumerated population Jan. 1, 1920.

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