ORIGINAL ARTICLE

1. Clinical significance of anti-nucleocapsid-IgG sero-positivity in SARS-CoV-2 infection in hospitalized patients in North Dakota
2. Five-year retrospective hospital-based study on epidemiological data regarding human leishmaniasis in West Kordofan state, Sudan
3. Incidental diagnosis of intestinal spirochetosis in a patient with chronic hepatitis B: A case report