Acute urticaria as the sole initial manifestation of dengue fever: A rare case reportMd Osman Gani1, Mohammad Shahangir Biswas2,3*, Md Moyen Uddin PK4,5, Md Ebrahim Khalil2, Maksudul Haque2, Md Matiar Rahman61Department of Biochemistry & Molecular Biology, Primeasia University, Dhaka-1213, Bangladesh2Department of Biochemistry and Biotechnology, University of Science & Technology Chittagong (USTC), Foy’s Lake, Zakir Hossain Road, Chittagong-4202, Bangladesh3Department of Public Health, Daffodil International University, Dhaka-1216, Bangladesh4Department of Quality Control & Assurance, Jist Life Care Ltd, Dhaka, Bangladesh5Dr. PK Research Academy, Dhaka-1216, Bangladesh6Department of Biochemistry and Molecular Biology,University of Rajshahi, Rajshahi-6205 Bangladesh*Correspondence:Dr. Mohammad Shahangir BiswasAssistant ProfessorDepartment of Biochemistry and BiotechnologyUniversity of Science & Technology Chittagong (USTC)Foy’s Lake, Zakir Hossain Road, Chittagong-4202, BangladeshCell: +880-1323381081Email: bioshahangir@gmail.com