National Dengue Day 2021: Tips & How to Protect Yourself from the Disease | Niva BupaMay 16 is observed as National Dengue Day in India. Raise awareness about the disease on National Dengue Day and learn about the causes, symptoms & how to prevent dengue#NationalDengueDay #NivaBupa #healthinsurancehttps://www.nivabupa.com/health-insurance-articles/national-dengue-day-2021-tips-to-protect