1 James W. Le Duc is the director of the Galveston National Laboratory and a professor in the Department of Microbiology and Immunology at the University of Texas Medical Branch, Galveston, Texas, USA. jwleduc@utmb.edu.
2 Zhiming Yuan is the director of the Wuhan National Biosafety Laboratory of the Chinese Academy of Sciences and a professor at the Wuhan Institute of Virology, Wuhan, China. yzm@wh.iov.cn.