@article {1712,
	title = {Norwalk virus: how infectious is it?},
	year = {2008},
	url = {https://www.ncbi.nlm.nih.gov/pubmed/18551613},
	author = {PF Teunis and CL Moe and P Liu and SE Miller}
}
@article {1526,
	title = {Norwalk virus: How infectious is it?},
	journal = {Journal of Medical Virology},
	volume = {80},
	year = {2008},
	chapter = {pp. 1468-1476},
	author = {Teunis, P F M and C L Moe and P Liu and S E Miller and L Lindesmith and R S Baric and J Le Pendu and R L Calderon}
}
