Description of a New Clade within Subtype 1 of Betaarterivirus suid 1 Causing Severe Outbreaks in Spain

This report describes 28 genome sequences from a new clade within subtype 1 of Betaarterivirus suid 1, formerly known as porcine reproductive and respiratory syndrome virus 1. All share a potential recombinant pattern, with a highly pathogenic Italian strain as the putative major parental sequence and three other possible parents.

Automated summary

This report describes 28 genome sequences belonging to a new clade in subtype 1 of Betaarterivirus suid 1, previously known as porcine reproductive and respiratory syndrome virus 1. These sequences exhibit a potential recombinant pattern, with a highly pathogenic strain from Italy identified as the likely major parental sequence along with three other possible parents.