| [research on anti-diphtheria immunization in the city of bucharest]. | biological, sero-epidemiological and bacteriological investigations, carried out in the town of bucharest for evaluating the present diphtheria vaccination programme showed: -- high anatoxin titers, exceeding the titer considered as protective, in the vaccinates ; -- a concentration of the level of the titers of 1--4 au/ml, in over 62% of the subjects, which means that the protective titer was exceeded 33 to lucru: -- negative schick reaction, in the mean 95.06%, in the subjects examined during ... | 1977 | 143711 |