Although the guest "DR" states she is confident about the vaccine no source of any study is given. The effectiveness of the injection is about 60% and the nasal spray is only about 32% effective.
NIAID info here:
http://www3.niaid.nih.gov/topics/Flu/
and here:
http://clinicaltrials.gov/show/NCT00943202
my memory card is full so it cut off about 1 minute til the end of the broadcast. my bad...
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