Fig. 3From: The effect of hand hygiene promotion programs during epidemics and pandemics of respiratory droplet-transmissible infections on health outcomes: a rapid systematic reviewCases during an interepidemic period. A Secondary influenza positive cases in household settings and B influenza positive cases in school settings for hand hygiene promotion program versus control and C influenza positive cases in university settings for hand hygiene promotion plus facemask program versus facemask program onlyBack to article page