Gastroenteritis in LTC and the role in policy change

Students are to research epidemic cases of gastroenteritis in nursing homes/long-term care facilities in the United States.
Discuss the prevalence of gastroenteritis in nursing homes?
What can be done (or is being done) to improve the problem and prevent outbreaks?
What is the role of the RN/APN in improving and reducing the risk of gastroenteritis in nursing homes/long-term care facilities.