Peste des petits ruminants (PPR) is an acute and fatal contagious disease. caused by the PPR virus (PPRV). and is one of the most damaging animal diseases. The replication of many viruses is closely related to the regulation of histone deacetylases (HDACs). https://www.roneverhart.com/Dynarex-WeCare-Vitamin-A-D-Ointment-Skin-Protectant/