Figure 1From: A model to control the epidemic of H5N1 influenza at the sourceComparison of H9N2 isolation rate before and after the rest day in 7 live poultry markets in Hong Kong (July to September, 2001). The reduction in isolation rates before and after the rest day in each month was statistically significant (p ≤ 0.01; Fisher's Exact test).Back to article page