Biotech;
Center;
for;
Viral;
Disease;
Emergency,;
Key;
Laboratory;
of;
Medical;
Virology;
and;
Viral;
Diseases;
Prevention;
and;
Control,;
Ministry;
of;
Health,;
National;
Institute;
for;
Viral;
Disease;
Control;
and;
Prevention,;
Chinese;
Center;
for;
Disease;
Control;
and;
Prevention,;
Beijing;
102206,;
China;