Latest Medical Research Council Centre Stories

A vaccine-derived strain of poliovirus that has spread in recent years is serious but it can be tackled with an existing vaccineA vaccine-derived strain of poliovirus that has spread in recent years is serious but it can be tackled with an existing vaccine, according to a new study published today in the New England Journal of Medicine.Vaccine-derived polioviruses can emerge on rare occasions in under-immunized populations, when the attenuated virus contained in a vaccine mutates and...