Study of Eosinophilia in Blood Donors in a Tertiary Care Centre in South India

Eosinophil is a type of granulocyte in blood. They are activated by IL-3, IL-5 and GM-CSF. Eosinophilia means increase in number of eosinophils in blood. Even with raised level of eosinophils, subjects show no signs or symptoms associated with any known etiology of eosinophilia. In this present study aim to observe eosinophilia in voluntary blood donors. The present hospital based cross sectional study was conducted in blood bank of Trichy SRM Medical College Hospital and Research Institute over a period of 12 months. Around 1258 blood donors was selected based on the convenient sampling method. Blood is obtained from the veins of the antecubital fossa and complete blood cell count was done using complete blood count analyzer.