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.

. IN CERTAIN STATES AND CITIES.

SMALLPOX.

Evansville, Ind.

Acting Asst. Surg. Neary, of the Public Health Service, reported by telegraph that during the week ended April 12, 1913, there were notified at Evansville 43 cases of smallpox.

Jeffersonville, Ind.

Interne Michel, of the Public Health Service, reported by telegraph April 10, 1913, that 12 cases of smallpox had been notified at Jeffersonville. The disease was of mild type.

Los Angeles, Cal.

Senior Surg. Brooks of the Public Health Service reported by telegraph that during the week ended April 12 there were notified at Los Angeles 3 cases of smallpox.

Maine-Rockland and Rockport.

Acting Asst. Surg. Adams, of the Public Health Service, reported the occurrence of a new case of smallpox April 9 at Rockland, and at Rockport 7 cases under quarantine, with a total to April 12 of 32

cases.

Maryland-Germantown.

The State department of health reported by telegraph April 15 that a new focus of smallpox had occurred in Maryland, 6 cases having been notified at Germantown, a suburb of Annapolis, Anne Arundel County.

Paducah, Ky.

Surg. Lumsden, of the Public Health Service, reported by telegraph April 14, 1913, that 12 cases of smallpox had been notified at Paducah.

San Francisco, Cal.

Surg. Long of the Public Health Service reported by telegraph that during the week ended April 12 there were notified at San Francisco 3 cases of smallpox.

Senior Surg. Brooks of the Public Health Service reported by telegraph that during the week ended April 12 there were notified at Los Angeles 3 cases of cerebrospinal meningitis with 2 deaths.

Cases and Deaths Reported by Cities for Week Ended Mar. 29, 1913.

POLIOMYELITIS (INFANTILE PARALYSIS).

Cases and Deaths Reported by Cities for Week Ended March 29, 1913. During the week ended March 29, 1913, poliomyelitis was reported by cities as follows: Chicago, Ill., 1 case with 1 death; Cleveland, Ohio, 1 case; Lowell, Mass., 1 death; New York, N. Y., 2 cases.

ERYSIPELAS.

Cases and Deaths Reported by Cities for Week Ended Mar. 29, 1913.

California-Squirrels Collected and Examined.

During the week ended March 29, 1913, there were examined for plague infection 500 ground squirrels from San Joaquin County. No plague-infected squirrel was found.

PNEUMONIA.

Cases and Deaths Reported by Cities for Week Ended Mar. 29, 1913.

Cases and Deaths Reported by Cities for Week Ended March 29, 1913.

During the week ended March 29. 1913, tetanus was reported by cities as follows: New Orleans, La., 2 deaths; Richmond, Va., 1 death.

SCARLET FEVER, MEASLES, DIPHTHERIA, AND TUBERCULOSIS.

Acting Asst. Surg. Neary, of the Public Health Service, reported by telegraph that during the week ended April 12, 1913, there were notified at Evansville 9 cases of measles and 20 cases of scarlet fever.

Los Angeles, Cal.-Measles.

Senior Surg. Brooks, of the Pubilc Health Service, reported by telegraph that during the week ended April 12 there were notified at Los Angeles 486 cases of measles, with 2 deaths.

Pittsburgh, Pa.-Measles.

Surg. Stoner, of the Public Health Service, reported by telegraph that during the week ended April 12, 1913, 228 cases of measles with 6 deaths were notified at Pittsburgh, making a total from November 1, 1912, the date of the beginning of the outbreak, of 8, 219 cases with 127 deaths.

Cases and Deaths Reported by Cities for Week Ended Mar. 29, 1913.