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The investigation was undertaken by the Medical Officers of Health
in several areas (including Middlesex) in the United Kingdom and was
co-ordinated centrally by a Committee of the Medical Research Council.
In all, several thousand children aged not less than ten months and up
to two years of age were allocated at random to receive either killed
followed by live vaccine, or live vaccine alone, or to remain unvaccinated
as a control group. Enquiries about any vaccination reactions and
subsequent enquiries on the incidence of measles were, and are still being
made from the parents of each child during the nine months after
vaccination. In addition, information is being obtained from the child's
general practitioner. The measles notifications in the areas are being
regularly checked against a central register of participants.
A decision regarding the long term follow-up (5-10 years) has yet
to be made.
In Harrow, 3,265 registration cards were sent to the parents of
eligible children and by the closing date for registration, 1,155 consents
had been received.
The results of the survey are not yet available.
DYSENTERY AND FOOD POISONNING
All cases are followed up by the Department to try and trace sources
of infection. Control of these diseases lies in the hands of the public
themselves. Simple routine hygiene measures are all that are required
but yet seem so difficult to obtain.