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by David Thompson, William H. Foege ยท 1968
ISBN: Unavailable
Category: Unavailable
Page count: 9
"During the last week in May 1967, a case of smallpox was reported in Abakaliki urban, the site of a mass smallpox and measles immunization programme in February 1967. Investigation revealed that there were other cases and that they all belonged to a small religious group that had refused to be vaccinated."--Page 1