Sara van den Berg

61 3 CMV on influenza vaccination: a systematic review Frasca et al , 2015 USA cohort cohort 62 <59 and >60 Trzonkowski et al , 2003 Poland cohort cohort 91 19-41 and >65 Strindhall et al , 2015 Sweden cohort cohort 88 69 Reed et al , 2016 USA cohort cohort 98 60-91 Wald et al , 2013 USA RCT cohort 97 18-64 and ≥65 Arias et al , 2013 Spain case-control cross sectional 162 20-50 and 68-97 Moro-Garcia et al , 2011 Spain cross sectional cross sectional 100 69-97 Guidi et al , 2014 Italy cohort cohort 62 Unknown Table 1. Characteristics of included studies Time line represents moment of vaccination (arrow) and blood withdrawn (red dot) on which influenza vaccine response is investigated or other information is gathered (grey dot). Note; studies Moro-Garcia et al and Arias et al seem to use a population of the same elderly cohort.