BibTex format
@article{Anderson:2020:10.1016/S0140-6736(20)32318-7,
author = {Anderson, RM and Vegvari, C and Truscott, J and Collyer, BS},
doi = {10.1016/S0140-6736(20)32318-7},
journal = {The Lancet},
pages = {1614--1616},
title = {Challenges in creating herd immunity to SARS-CoV-2 infection by mass vaccination},
url = {http://dx.doi.org/10.1016/S0140-6736(20)32318-7},
volume = {396},
year = {2020}
}