Primary Atypical Pneumonia

Primary Atypical Pneumonia

Primary atypical pneumonia.

Many recent communications to the medical literature on primary atypical pneumonia have emphasized the difficulty of differentiating that disease from other pneumonic consolidations from the roentgenogram I t is generally recognized that the various pulmonary inflammations do, on x-ray examination, have a tendency to group types: there are so-called "typical" pictures for pneumococcal lobar con...

Studies on Primary Atypical Pneumonia

A factor present in fresh normal human or guinea pig serum enhances the primary atypical pneumonia (PAP) antibody titers in serological reaction with its homologous virus as tested by indirect fluorescent antibody staining. This factor is not properdin. It has many properties similar to complement but may not be identical with complement. The addition of this enhancement factor to human sera co...

The radiology of primary atypical pneumonia.

The pulmonary changes accompanying " primary atypical pneumonia, aetiology unknown" have been of considerable interest to radiologists and physicians over the past decade. Characteristic varieties of pulmonary change occurring in this illness have been the subject of many reports in the literature, although few studies have been accompanied by an adequate aetiological investigation. This condit...

Studies on the Etiology of Primary Atypical Pneumonia

1. A filterable virus from certain cases of primary atypical pneumonia was transmitted to chick embryos by inoculation into the amnion of suspensions of bacteriologically sterile lung tissue or filtered sputum, and three strains were adapted by passage. 2. After intranasal inoculation into cotton rats or hamsters, suspensions of the infected chick embryo tissues produced pulmonary lesions which...