the only effective measure used against influenza in any of the camps had been to isolate both individual influenza victims and, if necessary, entire commands that became infected: these efforts “failed when and where they were carelessly applied” but “did some good. . . . when and where they were rigidly carried out.” He found no evidence that anything else worked, that anything else affected the course of the disease, that anything else changed except the virus itself. The later the disease attacked, the less vicious the blow.
