approached significancep = 0.059
By day 60, the survival curves of two vaccine groups were still significantly different from the control curve ( p = 0.010 for the E555 Δ ilvI group and p = 0.024 for the Hcp1 + CPS-CRM197 + E555 Δ ilvI -vaccinated mice); the survival curve for the Hcp1 + CPS-CRM197 group approached significance with p = 0.059.