Klein also prepares a new prophylactic from the dried organs of a guinea-pig, and one of the most interesting experiments is that of Strong (Archiv far Schiff sand tropische Hygiene, April, 1906), who uses for producing immunity in man a living virulent culture of the bacillus pestis.
The expert can immediately detect the peculiarly virulent characters of the mixed intoxication due to the consumption of spirits containing a large percentage of fusel oil.
The city is built in a bowllike depression of the great central plateau, and the drainage from the surrounding hillsides has produced a dangerously insanitary condition, from which one or two virulent fever epidemics have resulted.
When but three years old he had a virulent attack of small-pox which left his face disfigured, and contributed to his father's dislike of him.
The greatest mortality was caused by virulent malarial fever, which raged during the autumn months of 'coo and the early months of 1901.
The idea of inoculation, therefore, was to infect an individual with a mild form of the disease, so that he should escape infection by a more virulent one.
In order that the immunity may reach a high degree, either the bacterium in a very virulent state or a large dose of toxin must ultimately be used in the injections.
Zealous defenders credit him with all virtues, and bless him as the instrument divinely ordained to restore the peace of the Church; virulent detractors charge him with ingratitude, cowardice and double-dealing.
The universal misery gave point to the virulent attacks of Babeuf on the existing order, and at last gained him a hearing.
The microbes appear in many cases to attract the leucocytes (positive chemiotaxis), but when very virulent they usually repel the leucocytes (negative chemiotaxis) and excrete toxins which kill the leucocytes.