Two previously infected English counties, Leicestershire and Northamptonshire were officially declared free of the foot and mouth virus yesterday, evidence, says Professor David King, that the outbreak of the disease is now "fully under control." Speaking yesterday King, the government's chief scientist, gave a positive outlook to the end of the foot and mouth epidemic. He revealed that the contentious policy of culling infected livestock within a day and animals on neighbouring farms within 48 hours was working, citing that the number of new cases being reported is falling faster than expected.