Incorrect......If you investigate the effectiveness of hand sanitizers, you will see that recent studies actually show hand sanitizers to be slightly more effective than handwashing against most illnesses, INCLUDING influenza. The only viruses that tend to resist hand sanitizers are stomach bugs like norovirus because of the protein it is encapsulated in. I repeat...Hand sanitizers DO kill the influenza virus...(HIV TOO) however, you should not get that from WDW....I hope...
The reason handsanitizers are effective against these things is that the active ingredient is Ethyl Alcohol.....Google hand sanitizers and influenza.....The real answers come from research reports (not yahoo answers)