| seasonal synchronization of influenza in the united states older adult population. | in temperate regions, influenza epidemics occur annually with the highest activity occurring during the winter months. while seasonal dynamics of the influenza virus, such as time of onset and circulating strains, are well documented by the centers for disease control and prevention influenza surveillance system, an accurate prediction of timing, magnitude, and composition of circulating strains of seasonal influenza remains elusive. to facilitate public health preparedness for seasonal influenz ... | 2010 | 20419169 |