Despite the overlapping ranges of native and introduced tree squirrels in Northern Italy, Sciurus vulgaris was exclusively infected with Cryptosporidium ferret genotype while C. ubiquitum and skunk genotype may have been introduced to Europe with invasive squirrels.

If you are interested in this strange topic for UAGRA team read the recent publication in collaboration with the Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic, the Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic, the Department of Pathology and Parasitology, University of Veterinary and Pharmaceutical sciences, Brno, Czech Republic, the Department of Veterinary Sciences and Public Health, Università degli Studi di Milano, Milan, Italy and the Veterinary and Microbiological Sciences Department, North Dakota State University, Fargo, USA.