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PROVEN IMMUNOGENICITY - DEMONSTRATED IN CLINICAL TRIALS AND IN OVER 6 YEARS OF USE. About Menactra

Five serogroups, including A, B, C, Y and W-135, are responsible for almost all cases of meningococcal disease worldwide.1 Menactra vaccine provides protection against invasive meningococcal disease from all 4 vaccine-preventable serogroups (A, C, Y and W-135).

Large comparative trials were conducted in infants 9 through 12 months of age, children 2 through 10 years of age, adolescents 11 through 18 years of age, and adults through 55 years of age to compare the immune responses elicited by Menactra and Menomune®–A/C/Y/W-135 (Meningococcal Polysaccharide Vaccine, Groups A, C, Y and W-135 Combined) vaccines.1

The immune responses to Menactra and Menomune®–A/C/Y/W-135 vaccines were comparable for all 4 serogroups1:

Demonstrated Immune Response Following a Single Intramuscular Injection2

Rates of ≥4-fold increase in all subjects in serogroup SBAa titers after administration of Menactra vaccine (n=425) or the meningococcal polysaccharide vaccine (n=423)2

Adolescents Graph