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According to a survey made by the Public Health Service, there is, on account of colds in the United States, an average annual loss of work of about two and one-fifth days for each worker, so that taking into consideration only that part of our population engaged in industry, which is about forty-two million, there may be estimated a loss of more than ninety million work days per year. Rendered in terms of money this means a loss of not less than four hundred and fifty million dollars every year on account of colds alone. This, however, by no means
The Common Head Cold and Its Complications.. Ann Intern Med. 1929;3:289–290. doi: https://doi.org/10.7326/0003-4819-3-3-289_2
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Published: Ann Intern Med. 1929;3(3):289-290.
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