Letter | Published:

Influence of Sulphur Dioxide Inhalation on the Phagocytic Activity of the Macrophage System


FOLLOWING recent reports on the effect of ‘smog’1, and of the increasing incidence of air pollution in industrial and urban areas2, we have been prompted to investigate the activity of the macrophage system following inhalation of an atmosphere contaminated with sulphur dioxide. The choice of this gas was made due to its predominance in air-pollution, and to its ability to cause immediate and obvious reactions on the respiratory tract3.

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  1. 1

    Stocks, P., Brit. Med. J., No. 5114 74 (1959).

  2. 2

    U.S. Dept. of Health, Proc. National Conference on Air Pollution (1959).

  3. 3

    Salem, H., Ph.D. Thesis (Toronto 1958).

  4. 4

    Halpern, B. N., Benacerraf, B., and Biozzi, G., Brit. J. Exp. Path., 34, 426 (1953).

  5. 5

    Nicol, T., and Bilbey, D. L. J., Nature, 182, 192 (1958).

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