Tifonova, Ivelina, et al. “TRACKING TWO-WAY HUMAN-MINK TRANSMISSION DURING AN OUTBREAK OF SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 ON A FARM IN BULGARIA”. PROBLEMS of Infectious and Parasitic Diseases, vol. 53, no. 2, Sept. 2025, pp. 19-26, https://doi.org/10.58395/10vta464.