Dr. Jacob K. Jacob3 DRCVDJMM. PROPORTION OF PRIMARY AND SECONDARY DENGUE INFECTION AMONG SEROLOGICALLY POSITIVE DENGUE FEVER CASES ADMITTED IN A TERTIARY CARE CENTRE IN KERALA. ijmscrr [Internet]. 2022 Nov. 15 [cited 2024 Dec. 22];5(06):Page: 1074-1082. Available from: http://ijmscrr.in/index.php/ijmscrr/article/view/399