The University of Hong Kong Li Ka Shing Faculty of Medicine Press Release; 2011 Jan 19. 
The cohort study demonstrated that plasma treatment significantly reduced mortality in patients with severe pandemic H1N1 2009 infection (treatment group: 54.8% vs control group 20.0%, p < 0.01). It significantly lowered the day 3-7 respiratory tract viral load and cytokine level when compared with the control group (p < 0.05).

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