In October, last year, there convened in the Imperial Health Department at Berlin, a scientific conference for the discussion of questions relating to the plague. The wide field indicated seems to have been covered in a most exhaustive manner.1 All the various problems, scientific and practical, of the various aspects of bubonic plague, were here discussed in a select gathering of recognized authorities. The results can not fail to be of immediate benefit to Germany and indirectly to other countries.
At this time it may be of advantage to refer to the paramount question of diagnosis, of especially the first suspected cases which may obtrude themselves at any time in seaports. Pfeiffer, recapitulating the more important observations in regard to the examination in plague, remarks that the blood does not carry the germ constantly; often but few bacilli are present; at other times they are present in large numbers,