The use of sentinel surveillance systems offers several advantages:
1. Targeted Data Collection: By focusing on specific sites, these systems can provide more detailed and accurate data on disease occurrences.
2. Early Detection: Sentinel sites are often strategically placed to detect emerging diseases early, allowing for a rapid response to potential outbreaks.
3. Cost-Effectiveness: Since sentinel surveillance systems do not require monitoring of entire populations, they are often more cost-effective than traditional surveillance methods.
4. Evaluation of Interventions: These systems can be used to assess the effectiveness of public health interventions and policies in real-time.