सुबुं-सावश्रि नायबिजिरनाया थार हाबाफारि लानांगौखौ जाफुंहोनो बुथुमनाय, बिजिरनाय आरो देहायारि खौरां फोसावनाय।
Public-health surveillance is the collection, analysis and dissemination of health information to enable appropriate action to be taken.