Could a real-time register help prevent the spread of headlice?

Cases of the scalp-suckers appear to be rising- with subsidised prescriptions for treatments up 27% - but there's no real way to know how many cases there are or where they might be. Health Researchers say a 'nit index or tracking tool could show clusters and hotspots helping parents and schools to take preventative action. Founder of ISpyNits Kate Ricketts who's been working with researchers at Auckland University spoke to Susana Lei'ataua.