Interim Estimates of 2018-19 Seasonal Influenza Vaccine Effectiveness --- United States, February 2019
by from Morbidity and Mortality Weekly Report (MMWR) on (#494ZQ)
On the basis of data from the U.S. Influenza Vaccine Effectiveness Network on 3,254 children and adults with acute respiratory illness during November 23, 2018-February 2, 2019, the overall estimated effectiveness of seasonal influenza vaccine for preventing medically attended, laboratory-confirmed influenza virus infection was 47%.