In one variation of the influenza vaccine, hemagglutinin and neuraminidase are isolated from the viral particle and are then mixed with GEM particles, an adjuvant. This type of vaccine is known as a(n): View Available Hint(s) In one variation of the influenza vaccine, hemagglutinin and neuraminidase are isolated from the viral particle and are then mixed with GEM particles, an adjuvant. This type of vaccine is known as a(n): whole-agent, inactivated vaccine. purified, subunit vaccine. live, attenuated vaccine. toxoid vaccine