• Evidence for persistence of infectious agents in isolated human populations 

      Black, Francis Lee; Hierholzer, Walter J; Pinheiro Filho, Francisco de Paula; Evans, Alfred S; Woodall, John P; Opton, Edward M; Emmons, Jean E; West, Bernice S; Edsall, Geoffrey; Downs, Wilbur G; Wallace, Gordon D (Oxford University Press, 1974)
      More than 900 members of three Carib and four Kayapo Indian tribes, living on the periphery of the Amazon basin, have been studied for immunity to various viral, bacterial and protozoal agents. These tribes are isolated ...
    • Measles vaccine reactions in a virgin population 

      Black, Francis Lee; Woodall, John P; Pinheiro Filho, Francisco de Paula (Oxford University Press, 1969)
      Indians of an Amazon tribe, virgin with respect to measles, have been vaccinated with the Schwartz strain of attenuated measles virus. The average of the maximum observed temperatures during the period of vaccine reaction ...
    • Pacui virus, phlebotomine flies, and small mammals in Brazil: an epidemiological study 

      Aitken, Thomas H. G; Woodall, John P; Andrade, Amelia H. P. de; Bensabath, Gilberta; Shope, Robert E (American Society of Tropical Medicine and Hygiene, 1975)
      Pacui virus, originally obtained from forest rodents, was isolated 100 times from 61,437 specimens (658 pools) of the phlebotomine fly Lutzomyia flaviscutellata, collected from rodent-baited traps in the forests of Belem, ...