PANAMA CANAL.

Communicable Diseases-May, 1923.

Communicable diseases were notified for the Panama Canal during

the month of May, 1923, as follows:

Communicable Diseases-March 18-April 7, 1923.

During the three weeks ended April 7, 1923, communicable diseases were notified in Poland as follows:

Dysentery-Rabies-March 18-April 7, 1923.

During the period March 18 to April 7, 1923, 38 cases of dysentery with 5 deaths were reported in Poland, occurring in the districts of Krakow, Lwow, and Silesia. During the two weeks ended April 7, 1923, 2 deaths from rabies were reported, occurring in the districts of Lublin and Silesia.

RUSSIA.

Decrease in Epidemic-Disease Prevalence-January-February, 1923.

According to information dated April 21, 1923, a decrease in epidemic prevalence of disease was noted in Soviet Russia during the months of January and February, 1923, as compared with the corresponding periods of the preceding year. As regards typhoid fever, typhus fever, and recurrent typhus the reported prevalence was as follows:

It was stated that complete returns for the month of March, 1923, had not been received, but that data available to date indicated a considerable decrease in prevalence as compared with the same

month of 1922.

Lethargic Encephalitis Made Notifiable.

Information dated April 15, 1923, shows that lethargic encephalitis (sleeping sickness) has been included among the list of infectious diseases which are subject to obligatory registration in Russia.

SWEDEN.
Influenza-Goteborg.

Influenza was continuously reported at Goteborg, Sweden, from the beginning of the year to May 26, 1923, with a total of 766 cases, from 30 to 45 cases being reported weekly. During the week ended February 24, 54 new cases were reported. During the two weeks ended June 2 and 9, 1923, the reported occurrence was 37 and 42 new cases, respectively. The population of Goteborg, according to the census of December 31, 1922, was 228,053.

UNION OF SOUTH AFRICA.

Kaffir Pox-Northern Rhodesia.

During the week ended May 21, 1923, 21 cases of smallpox with 8 deaths were reported in Northern Rhodesia. The disease was later reported to be Kaffir pox. Previous occurrence of the disease was reported from March, 1923, with 19 cases and 4 deaths.

VENEZUELA.

Epidemic Influenza-Maracaibo.

Under date of June 19, 1923, influenza was reported epidemic at Maracaibo, Venezuela. It was stated that on June 18, 100 new cases were notified.

VIRGIN ISLANDS.

Disease Prevalence-May, 1923.

During the month of May, 1923, disease prevalence in the Virgin Islands of the United States was reported as follows:

The reports contained in the following tables must not be considered as complete or final as regards either the list of countries included or the figures for the particular countries for which reports are given.

1 From medical officers of the Public Health Service, American consuls, and other sources.

CHOLERA, PLAGUE, SMALLPOX, TYPHUS FEVER, AND YELLOW

FEVER-Continued.

Reports Received During Week Ended July 13, 1923—Continued.

CHOLERA, PLAGUE, SMALLPOX, TYPHUS FEVER, AND YELLOW

FEVER-Continued.

Reports Received During Week Ended July 13, 1923—Continued.

From medical officers of the Public Health Service, American consuls, and other scurces. received from Dec. 30, 1922, to June 29, 1923, see Public Health Reports for June 29, 1923. epidemic diseases are terminated semiannually and new tables begun.

For reports The tables of