Wed, 19 Aug 2009 12:00a.m.
About 55 million children in the US will head back to school in the next few weeks.
And that has officials concerned the h1n1 flu will spread further than it already has.
The Centre for Disease Control (CDC) reports more than two million people in America have already contracted the virus, killing nearly 500.
And now some of the much needed vaccine might not be available when flu season starts.
Ten days ago rural Yolo County 80 miles from San Francisco, had its first H1N1
death: Stacey Speegle Hernandez, a young mother.
Stacey's death has shaken this county of 200,000.
Fear is certain to drive demand for H1N1 vaccine. But the CDC recommends it for 160 million Americans with priority given to pregnant women, children and healthcare workers.
120 million doses were expected to be available by mid October. Now manufacturers say they'll have only 45 million doses by then, adding 20 million doses a week after that. Priority immunisations the government had hoped to complete by early December will now be pushed back to an uncertain date.
At the start of flu season most Americans will have no protection against a virus able to kill the young and the healthy.
CBS
