A disease which continues to worsen after exposure has ceased might be regarded as indivisible; making it difficult to share liability on a time on risk basis. This study examined silicosis cases over a period of 17 years after exposure ended. Some progression was observed. Damages awards should take this into account if they are to fully indemnify.
Evidence from:
HS Lee et al. Occupational and Environmental Medicine. July (2001) Vol.58 #7 p467.
Prediction of progression in individual cases may not be possible, but the probability can be estimated from this research.
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