Experiments on obtaining precipitating sera by the Fajiwara method

Experiments on obtaining precipitating sera by the Fajiwara method¹).
Assistant to T. S. Borodatova.
In my first report, published in No. 9 of the Kazan Medical Journal for 1927, I presented the results of immunization of rabbits using a slightly modified method of Dr. Karaganov, and it was noted that the use of the second series of immunization leads to the formation of sera of a higher titer. The highest serum titer obtained in these first experiments was 1: 25000 and the weakest serum had a titer of 1: 2000. I also pointed out there that after primary immunization, it is relatively rare to obtain sera that are suitable in their strength for the purposes of forensic blood testing, and only after the second series of immunization is it possible to obtain such sera.