Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6185110.17816/kazmj61851EditorialOn the issue of preventive activity of organ extracts and blood serum of animalsAmfiteatrovaN. F.info@eco-vector.comAlaturcevaI. E.info@eco-vector.com3007197253463642502202125022021Copyright © 1972, Amfiteatrova N.F., Alaturceva I.E.1972<p>This report presents the materials of a comparative study of the protective effect of the extract of the lungs, bronchial lymph nodes and blood serum in animals revaccinated against whooping cough using conventional subcutaneous and intranasal methods (methods, as well as the results of studying the correlation between the preventive properties of the tested substrates and the concentration of uM- and yG -antibodies.</p>Kazan Medical archiveКазанский медицинский архив