STANDARDIZATION OF ANTITYPHOID VACCINE

Production and standardization of Clostridium oedematiens vaccine in Iran

Production and standardization of polyvalent Clostridium perfringens vaccine in Iran

Observations on Antityphoid Vaccination

1. Metchnikoff and Besredka's living sensitized vaccine produces a typhoid cholecystitis when injected directly into the gall bladder of rabbits. It is therefore infectious. 2. Rabbits cannot be successfully immunized with this vaccine against direct gall bladder infections. Accordingly, rabbits cannot be used to test immunity in this way. 3. The strain used in the Army vaccine is pathogenic, r...

Isolation, Characterization and Standardization of New Infectious Bursal Disease Virus for Development of a Live Vaccine

Background and Aims: Infectious bursal disease (IBD) is an acute contagious viral disease of birds worldwide. The causative virus induces a persistent immune suppression following destroy B lymphocytes precursors in bursal lymphoid follicles. Vaccination is the main strategy for prevention of the disease in commercial poultry industry. Materials and Methods: To produce a live vaccine against th...

Mass production and standardization of Clostridium oedematiens vaccine against black disease (infectious necrotic hepalitis) of sheep