Bird flu adds to Sudans woes as UN warns of risk to aid operations.
Moszynski
Peter
P
D000818:Animals; D004196:Disease Outbreaks; D006801:Humans; D005585:Influenza in Birds / Q000453:epidemiology*; D011200:Poultry; D012036:Refugees; D012066:Relief Work; D013397:Sudan / Q000453:epidemiology; D014480:United Nations