Dr Sashidhar Reddy Gutha, Consultant General Physician & Diabetologist at Yashoda Hospitals, Hyderabad, warns that up to 80% of dengue cases are asymptomatic yet contagious. These undetected infections silently fuel outbreaks. He stresses the need for proactive screening, public awareness, and stronger surveillance to curb the hidden spread of dengue and prevent future epidemics.