Update: Influenza Activity --- United States and Worldwide, May 20--October 13, 2018
by from Morbidity and Mortality Weekly Report (MMWR) on (#41JW2)
From late May to mid-October 2018, influenza activity in the United States was low; circulating viruses were antigenically similar to cell-propagated reference viruses representing the Northern Hemisphere 2018-19 influenza vaccine composition.