Covid19 is an infectious disease caused by SARS -COV2, the novel corona virus. This correlation study is done in patients who had complaints of fever, myaligia, cough and dyspnea within 1 week duration, by taking their Complete blood count using a Hematological Auto analyser. Their Eosinophil levels are noted and those with low eosinophil count of less than 1% are subjected to RTPCR test for SARS COV2 using Nasopharyngeal and Oropharyngeal swab and CT CHEST is done |