308
Periodical
deratisation
of vessels
16
54. All ships and aircraft except those employed in national coastal service shall be periodically deratised, or be and aircraft. permanently so maintained that any rat population is kept
down to a minimum.
Cholera
p.ecaution-
ary measures
in case of
infected
Vessels and aircraft.
Cholera precaution. ary measures in case of suspected vassels and aircraft,
Cholera Precautionary Measures,
55. Cholera-infected ships or aircraft shall be subjected
to the following measures :-
Ships classed infected or suspected on clinical
diagnosis
to be
classed un-
infected
when
bacteriolo-
gical ex- aminations show no confirma- tion.
(i) Medical inspection.
(ii) The patients shall be immediately landed and isolated.
(ii) The passengers and crew may be kept under observation or subjected to surveillance during a period not exceeding five days reckoned from the date of arrival.
(iv) Bedding which has been used, soiled linen, wearing apparel, and other articles, including foodstuffs, which, in the opinion of the Port Health Officer, have been recently contaminated shall be disinfected or destroyed at the discretion of the Port Health Officer.
(v) The parts of the vessel which have been occupied by the cholera patients or which are considered by the Port Health Officer as being contaminated shall be disinfected.
(vi) Unloading shall be carried out under the supervision of the Port Health Officer, who will take all measures necessary to prevent the infection of the men engaged in unloading. They shall be subjected to observation or to surveillance which shall not exceed five days from the time they cease unloading.
(vii) When the drinking water on board is considered suspicious it shall be turned off after being disinfected and replaced, after disinfection of the tanks, by a supply of water of good quality.
(viii) The Port Health Officer may prohibit the turning off without previous disinfection of water ballast if it has been taken on at an infected port.
(ix) It may be forbidden to let run or throw human dejections or the residuary waters of the vessels into the waters of the port unless they are first disinfected.
56. Vessels or aircraft suspected of cholera shall be subjected to the measures prescribed under paragraphs (i), (iv), (v), (vii), (viii) and (ix) of the preceding section. The passengers and crew may be subjected to surveillance for a period not exceeding five days from the date of arrival.
57. If the vessel or aircraft has been declared infected or suspected only because of cases on board presenting the clinical features of cholera and two bateriological examina tions made with an interval of not less than 24 hours between them have not revealed the presence of cholera or any other suspicious vibrios, it shall be classed as uninfected.
17
ary measures
vessels.
58. A vessel or aircraft shall be regarded as uninfected Cholera if, although arriving from an infected port or having on board precaution- persons proceeding from an infected area, there has been no in case of case of cholera either at the time of departure, during the contact voyage, or on arrival. Such vessel or aircraft may be subjected to the measures provided under paragraphs (i), (vii), (viii) and (ix) of section 55. In addition the passengers and crew may be subjected to surveillance during a peirod which shall not exceed five days from the date of arrival. The crew may be prevented during the same period from leaving the ship or sanitary aerodrome except on duty notified to the Port Health Officer.
cholera to
59.-(1) Cases presenting the clinical symptoms of Cases cholera in which no cholera vibrios have been found or in clinically which vibrios not strictly conforming to the character of be classed cholera vibrios have been found shall be subject to all as cholera. measures required in the case of cholera,
carriers to
(2) Germ carriers discovered on the arrival of a ship Germ shall be submitted after disembarkation to all the obligations classed which may be imposed in such cases by the laws of the as cholera country of arrival on its own nationals.
Smallpox Precautionary Measures.
cases.
60. An infected vessel or aircraft shall be subjected to Smallpox
the following measures:-
(i) Medical inspection.
precaution.
ary measureş in the case
of infected
vessels or
(ii) The sick shall be immediately disembarked and aircraft isolated.
(iii) Other persons reasonably suspected to have been exposed to infection on board, and who, in the opinion of the Health Officer, arc not sufficiently protected by recent vaccination, or by a previous attack of smallpox, may be subjected to vaccination or to vaccination followed by observation or surveillance, the period of observation or surveillance being specified according to the circumstances, but in any case not exceeding fourteen days reckoned from the date of arrival of the ship or aircraft.
(iv) Bedding which has been used, soiled linen, wearing apparel, and other articles which the Health Officer considers to have been recently infected shall be disinfected or destroyed at the discretion of the Health Officer,
(v) Those parts of the ship or aircraft that have been occupied by persons ill with smallpox and which the Health Officer regards as infected shall be disinfected.
61. Vessels and aircraft which are not infected with Smallpox smallpox but which come from a port declared to be infected precaution- with the disease shall be subjected to the following in the case
measures
(i) Medical inspection.
(ii) Any passenger or member of the crew who is not protected by vaccination or by a previous attack of smallpox and who has left a local area where smallpox is epidemic within the previous fourteen days before landing in the Colony may be subjected to vaccination followed by surveillance
ary measures
of contact
vessels or aircraft.
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