An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Xu XK, Liu XF, Wu Y, Ali ST, Du Z, Bosetti P, Lau EHY, Cowling BJ, Wang L.Xu XK, et al. Among authors: du z.Clin Infect Dis. 2020 Dec 15;71(12):3163-3167. doi: 10.1093/cid/ciaa790.Clin Infect Dis. 2020.PMID: 32556265Free PMC article.
Du Z, Xu X, Wu Y, Wang L, Cowling BJ, Meyers LA.Du Z, et al.medRxiv [Preprint]. 2020 Mar 20:2020.02.19.20025452. doi: 10.1101/2020.02.19.20025452.medRxiv. 2020.PMID: 32511454Free PMC article.Updated.Preprint.
Xu XK, Liu XF, Wang L, Ali ST, Du Z, Bosetti P, Cowling BJ, Wu Y.Xu XK, et al. Among authors: du z.medRxiv [Preprint]. 2020 Mar 30:2020.03.02.20029868. doi: 10.1101/2020.03.02.20029868.medRxiv. 2020.PMID: 32511615Free PMC article.Preprint.