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EPIDEMIOLOGY
Notification of Infectious Disease
A total of S60 cases of infectious disease were notified during the year and of these 118 cases were removed
to hospital.
INCIDENCE OF INFECTIOUS DISEASE
Measles
There was again a decrease in the number of cases from 283 (1971) to 214.
Dysentry
There was a slight increase in the number of cases notified, but infections involving school children
continued.
Food Poisoning
There was a definte decrease in the number of cases from 93 (1971) to 31. The different phase typings
identified were as follows:-
Salmonella Agona 1
Enteritidis 7
Gloucester 1
Ibadan 1
Stormont 1
Typhimurium 9
The remaining infections were due to unknown causes.
Typhoid
There were four notified cases of typhoid, all being admitted to hospital. All contacts were proved to be
clear.
Paratyphoid
There were three notified cases of paratyphoid, all being admitted to hospital. All contacts were proved to
be clear.
Smallpox
No case of smallpox was notified during the year. Notifications were received from Health Authorities at
Ports and Airports concerning 47 persons who had arrived in the country from abroad without a valid
certificate of vaccination. Of these 35 were from areas where smallpox is endemic, 12 from locally infected
areas. All, with the exception of eight persons who were untraceable, were placed under surveillance for 14
days from the date of their arrival.
INTERNATIONAL CERTIFICATES OF VACCINATION AND INOCULATION
Arrangements continued for the authentication by the Medical Officer of Health of the signatures of
doctors on certificates of vaccination and inoculation for travellers from this country going abroad, as
required by the International Sanitary Regulations. During the year ending on 31st December, 1972 a total of
6,365 certificates were authenticated.
BACTERIOLOGICAL EXAMINATIONS
During the year 4,724 specimens were sent to the Public Health Laboratory for bacteriological
examination.
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