Sequence coding tandem repeat characteristics and accession numbers for all C. pecorum strains analyzed in this study.

*Strains sequenced in this study. Strains not marked with an asterisk were sequenced in a preceding study [23], or posted as complete genomes [30]–[32].aReferenced in [31].bReferenced in [2].cReferenced in [42].dReferenced in [30].eIsolated by M. Dawson, Virology Department, Central Veterinary Laboratory, Weybridge UK.fIsolated at INRA, UR1282, Infectiologie Animale et Santé Publique, Centre de Recherche de Tours, France.gReferenced in [43].hReferenced in [32].iReferenced in [3].jSupplied by Konrad Sachse, Friedrich-Loeffler-Institut Jena, OIE and National Reference Laboratory for Chlamydiosis, 07743 Jena, Germany, 07743 Jena, Germany.kSupplied by Simone Magnino, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna “Bruno Ubertini”, National Reference Laboratory for Animal Chlamydioses, Sezione Diagnostica di Pavia, 27100 Pavia, Italy.lIsolated by M.S. McNulty, Veterinary Research Laboratory, Stormont, Belfast, Ulster.-not amplified by PCR.