Abstract
Summary
Complement fixation tests were done with sera from cases of pneumonitis and acute upper respiratory disease and antigens from the viruses of lymphogranuloma ven-ereum, meningopneumonitis, and the mouse pneumonia virus of Nigg. 4 Positive reactions of a group-specific character were obtained in 10 to 15% of cases of pneumonitis and in about 2% of cases of upper respiratory disease.
Get full access to this article
View all access options for this article.