A mother and daughter both infected with H5N1

From WHO...

"The Ministry of Health of Indonesia has announced a new case of human infection of H5N1 avian influenza. A 15-year-old female from West Jakarta, Jakarta Province developed symptoms on 2 February, was hospitalized on 8 February and is currently in hospital in a critical condition. The case is the daughter of a previously confirmed case, the 38-year-old female from West Jakarta, Jakarta Province who developed symptoms on 23 January.
Investigations into the source of her infection are ongoing. However, she was exposed to her sick mother on 27-28 January and spent time in a neighbourbood where chickens and other birds were found. Samples from these birds have been taken and are undergoing tests to determine whether they may have been the source of infection."

http://www.who.int/csr/don/2008_02_12/en/index.html

If this is a case of human to human transmission, so far it doesn't look any different from other cases where close contact among family members may have transmitted the virus. However, it's always important to keep a close watch on cases happening in clusters.