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Table 3. CASES OF SPECIFIED DISEASES: SELECTED CITIES FOR WEEK ENDED

MARCH 7, 1953

(Numbers after diseases are category numbers of the Sixth Revision of the International Lists, 1948)

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Dayton-----

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Detroit----

Evansville

Flint-----

Fort Wayne--
Grand Rapids-

Indianapolis-
Milwaukee--
Peoria---

South Bend-

Toledo----
Youngstown-

Des Moines-----

Duluth----.
Kansas City, Kans.
Kansas City, Mo.-
Minneapolis--
Omaha---

St. Louis

St. Paul-

Wichita-.

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Table 3. CASES OF SPECIFIED DISEASES: SELECTED CITIES FOR WEEK ENDED

MARCH 7, 1953-Continued

(Numbers after diseases are category numbers of the Sixth Revision of the International Lists, 1948)

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During the first 8 weeks of 1953 the number of deaths reported in 106 major cities exceeded the 3-year median for the corresponding week, 1950-52, by 11 to 25 percent. The two curves shown in the above chart are now close together the difference between the current week and the median is only 2 percent. However, the curve for the 3-year median rose sharply in the first week of March, reflecting the experience of the last 3 years, when there was an increased incidence of influenza and pneumonia in the early spring.

The figures reported represent the number of death certifi cates received in the vital statistics offices during the week indicated, for deaths occurring in that city. Figures compiled in this way, by week of receipt, usually approximate closely the number of deaths occurring during the week. However, differences are to be expected because of variations in the interval

between death and receipt of the certificate.

While week-to-week changes in the total number of deaths reported for all major cities generally represent a change in mortality conditions, this may not be true for variations in weekly figures for each city. For example, in a city where 50 deaths are the weekly average, the number of deaths occurring in a week may be expected to vary by chance alone from 36 to 64 (d ± 2Vd, where d represents the average number of deaths per week).

The number of deaths in cities of the same size may also differ because of variations in the age, race, and sex composition of their populations, and because some cities are hospital centers serving the surrounding areas. Changes from year to year in the number of deaths may be due in part to population increases or decreases.

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Provisional Information on Selected Notifiable Diseases in the United States for
Week Ended March 14, 1953

A total of 523 cases of infectious and serum hepatitis was reported for the current week as compared with 557 for the corresponding week of 1952. States reporting 25 or more cases for the current week were: Kentucky, 58; New York, 51; Iowa, 50; Virginia, 31; and Minnesota, 25. Since the last week of January 1953, when 792 cases were reported, the weekly incidence of the disease in the country as a whole has been decreasing. Last year the peak was 693 cases, and occurred during the second week of February.

For the current week a total of 73 cases of poliomyelitis was reported as compared with 64 for the corresponding week of last year. States which reported the disease by type, paralytic and nonparalytic, and those not specified were as follows:

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The following reports were received by the Influenza Information Center, N. I. H., and the National Office of Vital Statistics. The New York State Department of Health reports the serologic diagnoses of 3 cases of influenza A-prime from Endicott and from Jefferson and Madison Counties, having onsets February 6th and 8th.

The Washington State Department of Health laboratory reports 2 cases of influenza A-prime from Seattle, and St. John, Washington, during the month of February.

Dr. E. H. Lennette, California State Department of Public Health, reports serologic diagnoses of 16 cases of influenza A and A-prime having onsets during the early part of February. These cases were located in various parts of the State.

Dr. H. A. Wenner, University of Kansas Medical Center, reports the serologic diagnoses of influenza A and A-prime in 3 cases in Kansas City, Kansas, 3 cases from North Dakota, and 3 from Jefferson City, Missouri, which occurred during January and February. One strain of influenza A-prime virus has been isolated from a case in Kansas City, and 7 sputa from Kansas City, 2 from North Dakota, and 3 from Jefferson City have been found positive for influenza virus in early incomplete studies.

Dr. A. A. Jenkins, Utah State Department of Health, has reported on influenza in Utah which occurred during December and January. It appeared first in the northern part of the State and later in the southern part. The peak was reached during January. Two throat washings collected in Salt Lake City and tested by Dr. E. H. Lennette, yielded influenza A-prime virus.

The number of deaths from influenza and pneumonia reported by 58 cities was 471 for the week ended March 7, as compared

with 495 for the previous week. The numbers reported for these cities by geographic division, with figures for the previous week in parentheses, were: New England, 38 (41); Middle Atlantic, 149 (155); East North Central, 107 (95); West North Central, 38 (41); South Atlantic, 38 (69); East South Central, 23 (47); West South Central, 34 (20); Mountain, 17 (6); and Pacific, 27 (21).

The WHO Regional Office (Pan-American Sanitary Bureau) reports that influenza is continuing in Spanish Morocco, and is increasing in Egypt and in Oslo, Norway. In other countries of Europe and in the Caribbean it is abating or has disappeared. For the week ended February 28, there were 314 deaths from influenza in the 160 Great Towns of England and Wales. This is a sharp drop from the previous week's total of 551. About half of this decline was in the London area; the other half was spread evenly over the north of England, where in the week previous there had been a slight increase. The notifications of pneumonia, primary and influenzal, dropped from 2,142 to 1,897 during the same period.

Smallpox

Dr. G. W. Cox, Texas Department of Health, gives information on the case of smallpox reported last week. This was a mild case in a 17-year-old Mexican boy, who previously had been vaccinated. At the time of notification the lesions had dried up and a laboratory specimen could not be obtained. The case is still regarded as unconfirmed.

Dr. N. H. Dyer, West Virginia Department of Health, gives information on the smallpox case reported last week. The case was reported after symptoms had subsided and the diagnosis was based upon clinical observation only. Numerous contacts were reported. However, there is as yet no indication of any spread.

Infectious hepatitis

Dr. A. L. Gray, Mississippi State Board of Health, states that private physicians have reported 25 cases of infectious hepatitis since the first of the year. These cases were scattered throughout a county in the northwestern part of the State. The ages varied from 6 to 80 years. However, most of the cases occurred in adults. Three patients had bile present in their urine and all had definite URQ tenderness and other typical symptoms. The disease was probably spread by person-to-person contact. Definite evidence of contact with a previous known case was established in about half of the cases. In 1952 there were 50 cases reported in the county.

Typhoid fever

The report on typhoid fever in California for the week ended February 21 was published as phage type 3. An error was made in transmission of the report from California, and it should read phage type E1, in a 6-year-old child.

Gastro-enteritis

Dr. R. H. Heeren, Iowa State Department of Health, reports 2 outbreaks of gastro-enteritis in 2 widely separated schools. In both instances the outbreaks resulted from the eating of turkeys supplied to the schools through the Surplus Commodities Distribution program. The first outbreak involved an undetermined number of persons among 150 children and teachers who ate

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