@article{Haroon2020,
author = {Haroon, S. and Chandan, J.S. and Middleton, J. and Cheng, K.K.},
title= {Covid-19: breaking the chain of household transmission},
year = {2020},
doi = {10.1136/bmj.m3181},
volume = {370},
number = {m3181},
}