Fig 2From: Comparisons between mild and severe cases of hand, foot and mouth disease in temporal trends: a comparative time series study from mainland ChinaTime series decompositions of the rescaled daily series of mild and severe HFMD cases. a the observed series, b the estimated long-term linear trend, c the estimated overall periodic variations, d the short-term fluctuations, e–h the estimated cyclical components of the overall period variations, including semi-annual cycle, eight-monthly cycle, annual cycle and biennial cycleBack to article page