Bacteriologic Observations on Epidemic Poliomyelitis

The Etiology of Epidemic Poliomyelitis

Streptococci have been isolated from the central nervous system of monkeys dead of poliomyelitis. Streptococci have also been isolated from the central nervous system of monkeys dead of other causes as well as from the brains of normal rabbits. Streptococci isolated from poliomyelitic monkeys do not differ from those isolated from monkeys and rabbits dead from other causes. An etiological relat...

Experiments on the Cultivation of the Microörganism Causing Epidemic Poliomyelitis

Several attempts have been made to demonstrate under the microscope and to develop in artificial cultures the microSrganism causing epidemic poliomyelitis, but hitherto unsuccessfully. Giersvold 1 cultivated certain micrococci from the cerebrospinal fluid, and Fox 2 a bacillus from the circulating blood of poliomyelitic patients, but both have now been discredited as causes of the disease. The ...

Epidemic of poliomyelitis in St. Helena.

A Note on the Etiology of Epidemic Poliomyelitis

The globoid bodies, or minute microörganisms, cultivated from the central nervous organs of human beings and monkeys that have succumbed to poliomyelitis, may be detected in the incubated brain tissues of infected monkeys in forms indicating post-mortem multiplication. Incubating the poliomyelitic tissues in kidney-ascitic fluid culture medium and then crushing them is a more certain method for...

The Peripheral Spread of Poliomyelitis Through Rural and Urban Areas: Observations from a Recent Epidemic *

Early in the summer of 1944 an epidemic of poliomyelitis began in Tioga County in North Central Pennsylvania, close to the New York State border (see Fig. 1). This epidemic soon grew to sizable proportions, spreading peripherally to involve adjacent counties in both states. The part of the outbreak which involved New York State has already been described at some length in a valuable report by C...