Gidding H, Flack LK, Sheridan S, Liu B, Fathima P, Sheppeard V, Richmond P, Hull B, Blyth B, Andrews RM; Snelling TL, Klerk de N, McIntyre PB, Moore HC Full text - Epub Social research 2019 Vaccine. 15 October 2019 doi: 10.1016/j.vaccine.2019.09.091