^pKey;
Laboratory;
of;
Pathogenic;
Microbiology;
and;
Immunology,;
Institute;
of;
Microbiology,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;
^pUniversity,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;
^pNetwork;
of;
Immunity;
and;
Health;
(rNIH),;
Beijing;
Institutes;
of;
Life;
Science,;
Beijing;
100101,;
China;