Before revision:  As a result of this, we showed how this additional nonlinearity, in the newly introduced parameters, can bring a significant shift in the peak time of infection, i.e.,  time at which  infected population reaches maximum.
After revision:  As a result of this, we showed how this additional nonlinearity, in the newly introduced parameters, can bring a significant shift in the peak time of infection, i.e., the time at which infected population reaches maximum.