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Fig. 1 | Respiratory Research

Fig. 1

From: The human viral challenge model: accelerating the evaluation of respiratory antivirals, vaccines and novel diagnostics

Fig. 1

The Human Viral Challenge Model. The study typically consists of inputs, such as the volunteers, their selection criteria, isolation in quarantine and exposure to a GMP virus. There are two treatment options; a vaccination/prophylaxis with an antiviral or b treatment with an antiviral. Outputs from the study, summarised on the right, such as virus symptoms, virus shedding etc. X is the number of days before virus exposure vaccination may occur. Y is the number of days post virus exposure that a volunteer may be followed for

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