Surveillance
Countries where bird flu (H5N1) has been found
H5N1 human clusters
Text descriptions of cases
Graphs of clusters over time
Karo cluster - human to human to human spread of H5N1
H5N1 avian influenza: Timeline of major events
(World Health Organisation)
Avian Flu
(Nature Reports)
From
Wikipedia
Bright red - H5N1 in birds
Dark red - H5N1 in humans