“…The presence or absence of clinical signs was mentioned for 807 dogs, with 790 presenting clinical disease. In sick dogs, the most frequently described signs were skin lesions (64.1%) (Best et al, 2014;Dandrieux et al, 2018;Farkas et al, 2011;Helm et al, 2013;Kawamura et al, 2010;Latif et al, 2019;Pavel et al, 2017;Rotureau et al, 2006;Tanase et al, 2018;Wagner et al, 2020), lymphadenopathy (38.5%) (Best et al, 2014;Cleare et al, 2014;Dandrieux et al, 2018;Pavel et al, 2017;Silvestrini et al, 2016;Tanase et al, 2018;Vilhena et al, 2014) and general/miscellaneous signs (41.0%) (Dandrieux et al, 2018;Helm et al, 2013;Naucke et al, 2016;Silvestrini et al, 2016;Tanase et al, 2018;Willi et al, 2015), such as anorexia, weight loss and lethargy (Table 2). Common laboratory findings included: anemia (61.2%) (Cleare et al, 2014;Dandrieux et al, 2018;Farkas et al, 2011;Helm et al, 2013;Pavel et al, 2017;Silvestrini et al, 2016;Tanase et al, 2018;Willi et al, 2015), hypoalbuminemia (58.8%) (Best et al, 2014;Cleare et al, 2014;Dandrieux et al, 2018;Helm et al, 2013;Naucke et al, 2016;Silvestrini et al, 2016), hypergammaglobulinemia ...…”