doinpoop The CSIRO vaccine uses only partof the flu virus’...

doinpoop The CSIRO vaccine uses only partof the flu virus’ genetic material, so avaccinated bird can be told apart fromone infected with the disease. Usingincomplete genetic material alsoremoves the danger that the vaccinewill combine with other strains of flu toproduce a virus capable of creating ahuman epidemic.If the H5N1 vaccine proves effectiveit will be cheap to deliver since it can beadministered in drinking water, some-thing Prideaux describes as a first for aflu vaccine. Initial trials on 45 birds willtake a few months, and may lead to theavailability of a product next year. “We’ve proven the principle,”Prideaux said. Should there be anotheroutbreak we will be able to fast-tracka vaccine against the strain using thesame method. We could also producevaccines against a whole range ofstrains that already exist