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Undertoad · 12-17-2009, 01:18 PM

IOW, the live/weakened nasal flu vaccine was efficacious, because it prevented flu 82% of the time, but was not effective, because it only prevented "flu-like symptoms", from viruses other than influenza, 36% of the time. The dead, injected vaccine was only 59% efficacious, so the nasal, live/weakened version is better at combating flu.

12-17-2009, 01:18 PM	#628
Undertoad Radical Centrist Join Date: Jan 2001 Location: Cottage of Prussia Posts: 31,423	IOW, the live/weakened nasal flu vaccine was efficacious, because it prevented flu 82% of the time, but was not effective, because it only prevented "flu-like symptoms", from viruses other than influenza, 36% of the time. The dead, injected vaccine was only 59% efficacious, so the nasal, live/weakened version is better at combating flu.