Aussie CSL Rejects Fear H1N1 Virus Could Mutate Before Vaccine Done

Australia's CSL sought to discount concerns that an H1N1 vaccine against the latest influenza virus would mutate before people can receive shots. A spokeswoman said vaccinations are to begin in Australia in a few weeks, and it is "very unlikely" the virus would be able to mutate that soon. She said the kind of mutation required to make a virus ineffective would require at least a year in circulation. Australia has ordered 10 million doses of CSL's H1N1 vaccine and the company already is making test batches for clinical trials. (Click here for more