Deaths from all causes in certain large cities of the United States during the week ended Dec. 24, 1921, infant mortality, annual death rate, and comparison with corresponding week of preceding years. (From the Weekly Health Index, Dec. 27, 1921, issued by the Bureau of the Census, Department of Commerce.)

1 Annual rate per 1,000 population.

"A" indicates data for the corresponding week of the years 1913 to 1917, inclusive. "C" indicates data for the corresponding week of the year 1920.

Deaths under 1 year per 1,000 births-an annual rate based on deaths under 1 year for the week and estimated births for 1920." Cities left blank are not in the registration area for births.

Data based on statistics of 1915, 1916, and 1917.

PREVALENCE OF DISEASE.

No health department, State or local, can effectively prevent or control disease without knowledge of when, where, and under what conditions cases are occurring.

UNITED STATES.

CURRENT STATE SUMMARIES.

Telegraphic Reports for Week Ended Dec. 31, 1921.

These reports are preliminary and the figures are subject to change when later returns are received by the State health officers.