The recent, worst-ever outbreak of the highly pathogenic avian influenza in the Indian state of West Bengal seems to have been brought under control by the swift and comprehensive measures taken by the country?s authorities, though continued vigilance was crucial, the United Nations agricultural agency said. – India is to be commended for its successful efforts to control the recent worst-ever outbreak of highly pathogenic avian influenza in the state of West Bengal, FAO said today. The agency warned, however, that intensive surveillance should continue in high-risk areas as the possibility of new outbreaks remains high.