Equine Herpes Virus — United States
An outbreak of equine herpesvirus-1 (EHV-1) at a Pennsylvania horse barn in March [2021] was caused by a new variant of the H752 genotype, researchers report.
The H752 genotype has the potential to cause neurological disease. This new variant has a particular mutation in the ORF 30 gene, similar to that reported in a recent outbreak from France, the study team reported.
The mutation is at a pivotal nucleotide position which has previously been shown to discriminate between
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