objective: the use of bacterial plasmids carrying specific genes of pathogens as genetic vaccines is a relatively new technique for induction of cellular immune responses against microbial pathogens. mechanisms of production of specific immune responses against these vaccines are not still completely understood. therefore, it is necessary to examine various routes of inoculation to find the bes...

of anti-cholera vaccine. It is divided into three parts, viz., the preparation of an anti-cholera vaccine, immunization of man against cholera and the anti-cholera vaccine after its devitalisation. It is pointed out that such is the variability of the germ of cholera that it is essential to first select the particular variety of the germ which is to be selected as " authenic and appropriate." W...

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