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1by Great Britain. Ministry of Health ; Central Council for Health Education (Great Britain), Clegg, Hugh Anthony, 1900-“…It is an infection, just as the common cold and pneumonia are infections. An infection is an 14 420/BS/7/16/18…”
Published 1943
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2by Great Britain. Ministry of Health ; Central Council for Health Education (Great Britain), Clegg, Hugh Anthony, 1900-“…This is how they travel in cases of whooping-cough, measles, chicken-pox. pneumonia, tuberculosis of the lung (consumption); and — last but not least — influenza and the common cold. …”
Published 1943