[1] CDC, Epidem Intelligence Serv, Atlanta, GA 30333 USA
[2] CDC, COVID 19 Response Team, Atlanta, GA 30333 USA
[3] Translat Genom Res Inst, Phoenix, AZ USA
[4] Philadelphia Dept Hlth, Philadelphia, PA USA
[5] Penn Dept Hlth, Harrisburg, PA 17108 USA
[6] Univ Nebraska Med Ctr, Omaha, NE USA