51.   At the time, the child was being treated for Reyes Syndrome, a neurological disorder, and had not been diagnosed with the new influenza virus.

52.   Cash withdrew in the second set, citing an influenza virus that has troubled him for the past three days.

53.   Dozens of influenza viruses were identified, said Florin Popovici, a senior health official.

54.   Dozens of influenza viruses were identified, said Florin Popovici of the Health Authority Inspectorate.

55.   Moya said his normally attacking game was hampered by a lingering influenza virus which he picked up as soon as he arrived in Australia earlier this month.

56.   There have been other instances of an influenza virus passing from animals to humans, according to Heymann.

57.   There have been other instances of an influenza virus passing from animals to humans, Heymann said.

58.   Whether they are caused by influenza viruses or other, politically motivated pathogens, the planning challenge for our authorities is largely the same.

59.   Since December, hundreds of people across Japan have died after contracting the Hong Kong A influenza virus.