THERAPEUTIC COMPOSITIONS AGAINST STERPTOCOCCAL INFECTIONS, TRANSFORMED HOSTS, METHODS OF IMMUNIZATION AND GENETICALLY ENGINEERED PRODUCTS

摘要

Non-virulent bacteria are disclosed into which have beencloned heterologous nucleotide sequences encoded for the expressionof Streptococcal M protein antigens, which are effective to elicitopsonic antibodies against Streptococcal infections. These bacteriaare useful for vaccination against Streptococcus pyogenes bacteria.