ALSO NOTED: Researchers assessing avian flu vaccine; Nastech pulls IPO; Isis extends drug collaboration; and much more...

> Health officials are scrambling to assess how they should respond to the news that an experimental vaccine for avian flu appears to work. Story

> Responding to chilly market conditions, Nastech Pharmaceutical of Bothell, Washington, has pulled its IPO. Release

> Isis Pharmaceuticals of Carlsbad, California, has extended its drug discovery collaboration with Eli Lilly. Release

> The FDA has approved a new five-day, 750 mg once-daily regimen for Levaquin tablets to treat acute bacterial sinusitis. Release

> Novelos Therapeutics of Newton, Massachusetts, is touting data from an early stage trial clinical study of non-small cell lung cancer. Release

And Finally... Americans' sensitivity to allergens has doubled in the last 30 years, with 54 percent responding to at least one of 10 allergens. Article