Essential planning elements. This domain includes two sets of clinical care needs. The first, prevention and treatment of influenza, includes care for the surge in patients with acute respiratory illness, and for people at high risk of exposure to, or complications from, influenza. These aspects are discussed extensively in the literature [20] [21] [22] [23] . Most people with influenza can be managed in the community, protecting hospitals by delaying or avoiding admission and facilitating early discharge.