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Frequently Asked Questions About Bird Flu

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Bird Flu's Worst-Case Scenario continued...

Even if it's a relatively mild new flu virus, it could spread rapidly across the globe. That's because most humans would have no immunity to the new kind of flu. During the 20th century, this happened three times.

But just because it happened before doesn't mean it will happen this time. While experts say it's inevitable that sooner or later we'll see another flu pandemic, it's by no means certain that the current bird flu virus will be the cause.

Even if a new human flu emerges, public health officials might be able to contain it. H5N1 is susceptible to the newer flu drugs. And a vaccine already has been created and stockpiled by the World Health Organization.

Is There a Bird Flu Vaccine?

Yes. On April 17, 2007, the FDA announced its approval of the first vaccine to prevent human infection with one strain of the bird flu. The vaccine has been purchased by the U.S. federal government to be distributed by public health officials if needed. This vaccine will not be made commercially available to the general public.

Other bird flu vaccines are being developed by other companies. And the World Health Organization has a stockpile of the vaccine, with plans to quickly produce more if needed.

When given along with immunity-boosting agents called adjuvants, experimental H5N1 vaccines offer good cross-protection against different H5N1 variants.

And several companies are working on universal flu vaccines and antivirals that would protect against all known strains of influenza.

Is There a Treatment for Bird Flu?

The flu drugs Tamiflu and Relenza should work against bird flu, although more studies are needed. These drugs must be given soon after symptoms appear.

Unfortunately, H5N1 in humans can be a severe illness requiring hospitalization, isolation, and intensive care.

WebMD Medical Reference

Reviewed by Varnada Karriem-Norwood, MD on February 21, 2014

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