For the period 1998–2008, a clear trend towards reduction in the annual number of VL cases over time (years) was observed (Chi2 = 245.156, df = 10, p 0.001).
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For the period 1998–2008, a clear trend towards reduction in the annual number of VL cases over time (years) was observed (Chi2 = 245.156, df = 10, p 0.001).