H1N1 flu vaccine—why the delay?
This short video explains how flu vaccine is made, and why there may be a delay. Comments on this video are allowed in accordance with our comment policy: www.cdc.gov This video can also be viewed at www.cdc.gov
Influenza | Learn English | Vocabulary Builder
Extras: linguaspectrum.com The influenza virus has been killing people for thousands of years. The virus mutates rapidly, sometimes creating deadly strains against which we have no defence. There is a current deadly strain called swine flu that has been declared a pandemic. Thousands of people have died, and thousands more are expected to die. What are the symptoms? How do you know if you have the virus? How quickly does it spread? Are you going to catch it? If you are in any way worried about the spread of this disease, you should look at this video. This video looks at this disease, examining the symptoms and providing useful medical vocabulary for English language students. Now do the quiz at linguaspectrum.com
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