Objective To study the relationships between the expression levels of interleukin-5(IL-5) and interferon gamma(IFN-γ) in spleen tissue and eosinophil of allergic rhinitis(AR) with the late-phase reaction in rats.Methods For the establishment of allergic rhinitis model,the rats were intraperitoneally immunized with ovalbumin(OVA) once the other day for 7 times,and then an intransal administration of OVA was used to induce allergic rhinitis.The stimulation for allergic rhinitis lasted for 10 days and then all animals were sacrificed at 3...