[Correspondence] H5N1 avian influenza: tracking outbreaks with real-time epidemiological data
The avian influenza A(H5N1) virus was first identified in southern China in 1996, leading to substantial outbreaks among poultry in Hong Kong in 1997, which resulted in 18 human infections. Although the 1997 avian epidemic was controlled, the A(H5N1) v...