Factory logjam could delay some swine flu shots

Aug 18, 2009 By LAURAN NEERGAARD , AP Medical Writer

(AP) -- Faced with an unexpected delay, health officials are trying to counter new problems with swine flu vaccine production including a logjam at factories that put the precious liquid into syringes.

The newest calculations show the nation won't have the long-promised 120 million doses ready to dispense by Oct. 15, but just 45 million instead. It appears to be more of a delay than a shortage: More are expected to arrive rapidly, about 20 million doses shipped every week, according to the latest estimates by the Department of Health and Human Services.

"Hopefully there are ways to bring that number up," Dr. Robin Robinson, the department's chief of vaccine procurement, said Tuesday.

"We're trying to bring on more manufacturing" for the final packaging step, he said, such as having companies that finish first share their facilities with stragglers.

Swine flu vaccinations still are planned for mid-October, and Robinson noted that 45 million doses means a lot of people inoculated. Add in the weekly deliveries, and there should be 85 million doses on hand by October's end, and the full 195 million the government has ordered by December, the long-set date for final delivery.

But he acknowledged that if there are early outbreaks in September and October, there could be higher-than-anticipated demand for the swine .

"As we've all along said, if things can go wrong they will," Robinson said.

Manufacturers around the world revealed in July that they were having serious problems brewing vaccine. The chief ingredient is grown in eggs, and companies were getting far fewer doses per egg than they usually do for regular winter flu vaccine.

Health authorities have delivered new "seed strains" of the virus to manufacturers to help with that problem, Robinson said.

In addition to the packaging logjam, other factors are adding to the delay, including:

- One manufacturer, Sanofi-Pasteur, took longer than expected to finish brewing the regular winter flu vaccine, delaying the work, Robinson said. "We knew there were problems," but only recently the extent of them, he said.

- Another supplier, Australia's CSL, recently notified the U.S. that its shipments would arrive later than promised because it first must provide batches to its home country, where the flu season is winding down. Although the U.S. signed a contract with CSL first, "there was always the possibility they could do that," Robinson said. "Our laws can do the same thing. We don't, but we could."

- And it took health authorities longer than anticipated to develop the tests, called reagents, required to ensure doses are at the proper strength before they're cleared for use.

©2009 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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