The data collected through NNDSS is used in several ways: 1. Trend Analysis: Epidemiologists analyze data to identify trends and patterns in disease occurrence. 2. Outbreak Detection: Early identification of unusual disease patterns can trigger investigations and outbreak response. 3. Public Health Planning: Data informs the development of public health policies and strategies to mitigate health risks. 4. Resource Allocation: Helps in prioritizing and allocating resources to areas with the greatest need. 5. Research: Facilitates epidemiological studies that can lead to advancements in disease prevention and control.