IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-12-45521 Original Research Paper Tropical Aetiology Of Febrile Illness In A Tertiary Care Hospital Of Northern India Vinita Choudhary Dr. Ms. Ayushi Sharma Dr. Dr. Pushpendra Saraswat Dr. December 2022 11 12 01 02