Study of the cause of lymphopenia in Covid19 viral infection will be done in 3 cohorts. First cohort will be patients asymptomatic or with mild symptoms. Second cohort will be patients with severe illness and admitted to ICU. Third cohort will be patients critically ill and on artificial ventilation.
Each cohort will include 30 patients. Complete blood count in all patients will be done daily
in all patients. Bone marrow aspiration cytology will be done in some selected patients
especially those with lymphopenia less than 1000 per cubic mm.
Correlation of the degree of lymphopenia with the status of the patients will be done. Also
correlation will be done about the relation of recovery of lymphopenia and status of the
patients.
Diagnostic Test: Complete blood picture, bone marrow aspiration cytology
none except the regular routine investigations in such cases
Inclusion Criteria:
- Any patient admitted with the diagnosis of Covid19 viral infection
Exclusion Criteria:
- Any patient who died within one day of admission
National Cancer Institute Cairo University
Cairo, Egypt