Serologic observations and serosurvey of poxvirus infections in California sea lions (Zalophus californianus). (marinemammalcenter.org)
They also found that the percentage of poxvirus infections was higher in more human - populated areas, but did not find a connection to oxidative stress. (sciencedaily.com)
Haagmans et al. made a MERS - CoV vaccine for use in camels, using poxvirus as a vehicle. (science.sciencemag.org)