Dr Julian Lewis: To what extent does the vaccination of a child reduce his or her liability to transmit the virus to a vulnerable person such as an elderly grandparent?

[The Minister for Covid Vaccine Deployment (Nadhim Zahawi): I will happily write to my right hon. Friend with the data that the JCVI and the CMOs have looked at. Suffice it to say that the data that I have looked at from the United Kingdom, where we have not embarked on a children’s vaccination programme but are about to, is that 60% of those who are double-vaccinated do not become infected with the delta variant, which is the dominant variant at the moment, and therefore cannot transmit and infect others; 40% can.]