Table 10. Seroconversion Rate and Geometric Mean Titer for Initially Sero-Negative Varicella Subjects (gpELISA) 6 Weeks After Vaccination.

	MMR II + varicella vaccine co-administered	MMR II + varicella vaccine given 6 weeks apart	Fold difference in GMTs between the two groups (95% CI)
Seroconversion Rate (%)	99.5 (199/200)	100 (174/174)	–
Geometric Mean Titer	13.2	17.9	0.74 (0.63, 0.87)

Source: Shinefield HR et al. Vaccination with measles, mumps and rubella vaccine and varicella vaccine: safety, tolerability, immunogenicity, persistence of antibody and duration of protection against varicella in health children. Pediatr Infect Dis J. 2002; 21: 555–61