Author Correction: Analysis of SARS-CoV-2 mutations in the United States suggests presence of four substrains and novel variants
A Correction to this paper has been published: https://doi.org/10.1038/s42003-021-01867-y
Rui Wang, Jiahui Chen, Kaifu Gao, Yuta Hozumi, Changchuan Yin, Guo-Wei Wei