What does the term norovirus attribution study in this passage mean?

A norovirus attribution study refers to research aimed at determining the sources and pathways through which norovirus infections are transmitted to humans. This type of study typically involves analyzing data from outbreaks, identifying the specific food items, environments, or behaviors linked to infections, and assessing the relative contributions of various sources. The goal is to improve public health responses and prevention strategies by pinpointing where interventions can be most effective.