Answer:
Syndromic surveillance
Explanation:
Survelliance is the ongoing systematic collection analysis and interpretation of health data essential to planning , implementation and evaluation of public health practice , closely integrated timely dissemination of this data to those who need to know.
It has three purposes :
1) Surveillance may identify public health problems.
2) Surveillance may stimulate public health interventions.
3) Surveillance may suggest hypothesis for epidemiological research.
As in the above scenario , data on diarrhea, nausea, and vomiting are collected in the emergency room, and data on purchases of over-the-counter medications to treat diarrhea, nausea, and vomiting are monitored through pharmacy sales , syndromic surveillance best describes this statement.
