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. 2014 Apr 13;60(3):276–281. doi: 10.1016/j.jcv.2014.03.021

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Copyright © 2014 Elsevier B.V. All rights reserved.

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Fig. 1 — Monthly distribution (%) of virus positive and negative findings in all conscripts who participated in the intervention study from July 2012 to January 2013 in Finland. The numbers of positive and negative findings were compared with the total number of collected samples in each month. Abbreviations: PIV, parainfluenza virus; AdV, adenovirus, hMPV, human metapneumovirus; RSV, respiratory syncytial virus.