Indonesia bird flu

poultry ( plural n ): gia cầm
birds, such as chickens, that are bred for their eggs and meat
Some poultry farmers keep turkeys and ducks as well as chickens.

cluster (n): đàn bầy
a group of similar things that are close together, sometimes surrounding something
Have a look at the cluster of galaxies in this photograph.
There was a cluster of fans around him, asking for autographs.

fatality (n): thiệt mạng
a death caused by an accident or by violence, or someone who has died in either of these ways