Dengue Fever Remedy using Papaya Fruit/leaves~~~~ Its simple and effective. Get Cure from Dengue Fever in 1 day with Pappaya leaf juice. Chymopapin and papin – enzymes in the papaya leaf – help revive platelet count, say experts. The juice of the humble papaya leaf has been seen to arrest the destruction of platelets that has been the cause for so many deaths this dengue season.