Ornithodorus tartakovskyi Olenev 1931 et Borrelia (Spirochæta) latychevii Sofiev 1941

An Ecologic Study of Poliomyelitis in Connecticut, 1931-1941 *

This is a study on the ecology of poliomyelitis in the State of Connecticut. It has been undertaken to see what the experience with this disease has been in this state, with particular reference to certain local epidemiologic features, such as (a) its geographic, seasonal, and age distribution, and (b) a comparison of the findings with those of typhoid fever. In particular, the effort has been ...

The Pure Cultivation of Spirochæta Duttoni, Spirochæta Kochi, Spirochæta Obermeieri, and Spirochæta Novyi

1. A method for the pure cultivation of Spirochoeta duttoni, Spirochoeta kochi, Spirochoeta obermeieri, and Spirochoeta novyi is described in this paper. In vitro these strains reach their maximum growth after seven, eight, or nine days at 37 degrees C. For their multiplication they require the presence of a piece of fresh sterile tissue and a body fluid capable of forming a loose fibrin with t...

Notes sur les Ixodidae du genre Hyalomma Koch II. - Hyalomma schulzei Olenev 1931

Cultivation of Spirochæta Gallinarum

1. Spirochoeta gallinarum can be cultivated in suitable artificial media for many successive generations and probably for indefinite periods. The presence of fresh tissue and a certain amount of oxygen seems to be essential for its growth. No perceptible odor is produced in the cultures. 2. The maximum growth of Spirochoeta gallinarum is reached on about the fifth day, but the phase of degenera...

Spirochæta (treponema) Pallida and Syphilis

The extensive bibliography on experimental syphilis and spiroch~eta pallida has been brought together and reviewed recently by Hoffmann, 1 Neisser, 2 R. Kraus, 3 Glass, 4 and Buschke and Fischer, 5 in whose publications the present state of our knowledge on these subjects can be readily found. The weight of opinion is strongly in favor of accepting the transmissibility of the syphilitic virus t...