“…CU or PCD from animal proteins is often accompanied by respiratory symptoms, and the respiratory symptoms may precede skin symptoms by years (Aoyama et al 1992;Nienhaus et al 2005;Spiewak et al 2000;Spiewak 2004;Barbuzza et al 2009;Helaskoski et al 2017;Muzembo et al 2014). Skin tests for immediate allergy (e.g., SPT) or specific IgE have been positive with animal dander, hair, amniotic fluid, serum, blood, organs, milk, and saliva (Rudzki 1975;Prahl and Roed-Petersen 1979;Hjorth and Roed-Petersen 1980;Slovak and Hill 1981;Degreff et al 1984;Agrup and Sjöstedt 1985;Falk et al 1985;Kalveram et al 1986;Weissenbach et al 1988;Karches and Fuchs 1993;Buckle and Devos 2007;Valsecchi et al 2003). Cross sensitivity is common, especially with mammalian serum albumins, most commonly between dog, cat, pig, and horse (Alvarez-Perea et al 2014).…”