The group's principal activities are the research, development and manufacture of vaccines to prevent and treat infectious diseases. the group's anti-viral vaccines are arilvax, chimerivax - je, chimerivax - dengue, chimerivax - west nile fever, chimerivax - hepatitis c, and smallpox. while the anti-bacterial vaccines are holavax - typhoid, holavax - etec, h.pylori, c.difficile and campylobacter.