§ Dr. Roger Thomasasked the Secretary of State for Social Services what assessment his Department makes of the possibility of transmission of smallpox by a person vaccinated for the first time in a population whose natural immunity has been reduced by vaccination over a long period; and what advice is given on this subject.
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§ Dr. VaughanI am advised that smallpox cannot be transmitted by vaccination. In view of the possible risk to the individual of vaccination and the occasional transmission of vaccinia to other people, vaccination is only advised—in the letter (M0(80)12/CNO(80)8)—for a very limited number of people.