抄録
(1) The neutralizing antibodies examination
The neutralizing antibodies in the serum of guinea pigs by the inoculation of measles virus into the testicles, did not appear on the forth day after the inoculation yet but on the seventh, for the first time, they appeared, They got to the maximum between the tenth and fifteenth, then they decreased a little on the thirtieth.
(2) The reinoculation examination
The guinea pigs showing specific pneumonia interstitialis productiva acuta, by the inoculation of measles virus which recognized with alveolitis interstitialis, peribronchiolitis and cluster of plasma cells around the small vessels, were agarn inoculated with measles virus after about five months when the various changes of their lung tissues, above mentioned, disappeared and returned to the normal condition.
This time, no remarkable changes of lung tissues from the first inoculation such as alveolitis interstitialis and peribronchiolitis were seen, but a prominent change of the cluster of plasma cells around the small vessels.
This specific phenomenon are not showing any inflammation but just a protective reaction of the lung tissues.
