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MEDICAL DEPARTMENT.
No. S. 269. All passengers, both cabin and steerage types and members of crews of vessels entering any port in the Philippines from the port of Hong Kong, either direct or via intermediate ports, will be required to present a certificate of immuni- sation against cholera.
Source of certificates :
Such immunisation certificates if issued at Hong Kong, to be valid on arrival, must have been issued by a Government medical or health officer or by a medical officer of the British Navy, Army or Air Force.
Certificates of immunisation coming within the following categories will be accepted at Philippine ports from passengers in transit through Hong Kong provided such certi- ficates are valid with reference to date of issue.
(1) Certificates issued prior to arrival in Hong Kong by physicians employed on board vessels upon which such passengers have travelled provided the certificates are issued on printed forms prescribed by the steamship company for this purpose.
(2) Certificates issued by registered physicians in the United States provided such certificates are issued on duly prescribed forms or on the physician's printed stationery.
(3) Certificates issued at ports of embarkation by authorities or physicians
recognised by the American Consulates at such ports.
Validity of certificates :
The validity of cholera immunisation certificates shall be as follows :
1. All certificates to be acceptable shall have been issued at least five days prior to arrival at a Philippine port.
2. Immunisation certificates shall be considered as valid with reference to their duration, as follows:
For 1 inoculation of 3000 million vibrios 3 months. For 2 inoculations of 3000 million vibrios 1 months. For 3 inoculations of 3000 million vibrios 6 months.
Persons presenting certificates which fail to comply with the above requirements may, at the discretion of the Chief Quarantine Officer, be:
(A) Held on board the vessel upon which they arrive pending the results of bacterio- logical stool examination to determine the freedom of such passengers from cholera organisms, or
(B) Held on board the vessel upon which they arrive for a sufficient length of time to complete five days from date of leaving the last cholera infected ports.
All steerage type passengers embarking at Hong Kong will be held for bacteriolo- gical stool examination on arrival in the Philippines.
This notification replaces notice No. S. 338 of 20th July, 1939, and No. S. 5 of the 5th of January, 1940.
20th June, 1941.
P. S. SELWYN-CLARKE,
Director of Medical Services.