...diphtheria bacillus are correct. The author's summary is striking and we here reproduce it in full. 1. Diphtheria bacilli have been found in a considerable...consecutive negative examinations have been required before release. 4. Carefully conducted investigations amongst healthy persons, who have not at a recent...

...contact with cases of diphtheria or with other infected persons. 2. Such persons have been shown to be in grave danger to public health, especially when frequenting...consecutive negative examinations have been required before release. 4. Carefully conducted investigations amongst healthy persons, who have not at a recent...

...follows: (1) Diphtheria bacilli have been found in a considerable proportion of persons who have come in contact with cases of diphtheria or with other infected...consecutive negative examinations have been required before release. (4) Carefully conducted investigations among healthy persons, who have not at a recent...

...diphtheria or with other infected persons. (2) Such persons have been shown to be a grave danger to the public health, especially when frequenting schools...consecutive negative examinations have been required before release. (4) Carefully conducted investigations among healthy persons, who have not at a recent...

...contact with cases of diphtheria or with other infected persons. 2. Such persons have been shown to be in grave danger to public health, especially when frequenting...consecutive negative examinations have been required before release. 4. Carefully conducted investigations amongst healthy persons, who have not at a recent...

...follows: 1. Diphtheria bacilli have been found in a considerable proportion of persons who have come in contact with cases of diphtheria or with other infected...consecutive negative examinations have been required before release. Carefully conducted investigations amongst healthy persons who have not at a recent...

...come in contact with cases of diphtheria 01 with other infected persons. 2. Such persons have heen shown to be a grave danger to public health, especially...consecutive negative examinations have been required before release. Carefully conducted investigations amongst healthy persons who have not at a recent...

...considerable proportion of persons who have come in contact with cases of diphtheria or with infected persons. .Such persons have been shown to be a grave danger...especially when frequenting schools or institutions, and to con- . stitute the usual channel by which the disease is spread. Very satisfactory results have followed...