We compared characteristics of BerSQPV to related viruses and found that the EM structure shows features typical for OPV but the genome size of [approximately equal to] 143 kb is more consistent with PPV or SQPV from the United Kingdom (11) than with the large genome of OPV, whereas the guanine-cytosine (GC) content of 38.5% is more consistent with OPV and
leporipoxvirus than with PPV and SQPV from the United Kingdom.
The eight Chordopoxvirinae genera include Orthopoxvirus, Parapoxvirus, Yatapoxvirus, Molluscipoxvirus, Avipoxvirus, Capripoxvirus,
Leporipoxvirus, and Suipoxvirus.