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. 2021 Jan 14;16(1):e0245389. doi: 10.1371/journal.pone.0245389

Table 2. 40-Item knowledge questionnaire about influenza and vaccination.

Questionnaire Item Pre-Test Score (% Correct Answers) Post-Test Score (% Correct Answers) Difference (% Correct Answers)
Influenza isn't such a big deal 92.8% 93.8% 1.0%
The flu vaccine gives you flu 78.4% 93.8% 15.4%
Which of these treatments does not treat influenza? (antibiotics, antiviral medications, influenza vaccination, keeping hydrated & staying warm) 70.5% 86.0% 15.5%
Healthy people don't get seasonal flu 95.0% 93.0% -2.0%
Flu is a mild illness so I don't need a vaccine 93.5% 93.8% 0.3%
The side-effects of the flu vaccine are bad 82.0% 80.6% -1.4%
How often should you get the flu jab? 92.1% 96.1% 4.0%
The flu jab is safe 95.7% 93.8% -1.9%
The influenza vaccine has been properly tested 88.5% 90.7% 2.2%
How effective can the flu vaccine be? 82.7% 89.9% 7.2%
Can pregnant women receive the vaccine? 38.8% 86.0% 47.2%
You must avoid other people after receiving the vaccine because you'll be infectious 93.5% 89.9% -3.6%
Should I go to work if I come into contact with someone who has flu? 17.3% 65.1% 47.8%
Everyone should get the flu vaccine? 36.7% 38.0% 1.3%
Where can you get the flu vaccine? 69.1% 85.3% 16.2%
Once you've had the flu vaccine you are protected for life 95.7% 93.8% -1.9%
This year's flu vaccine protects me against swine flu 25.2% 82.9% 57.7%
Children can have the flu vaccine 87.1% 91.5% 4.4%
When is the best time to get the flu vaccine? 64.7% 89.9% 25.2%
It's nearly Christmas and I haven't had the flu vaccine. Is it now too late? 85.6% 91.5% 5.9%
Vitamin C can prevent influenza 62.6% 85.3% 22.7%
Breastfeeding mothers shouldn't have the influenza vaccine 67.6% 77.5% 9.9%
I had the flu vaccine last year and do not need it again this year. 91.4% 94.6% 3.2%
I am on antibiotics. Can I still have the flu jab? 50.4% 66.7% 16.3%
How quickly are you protected after the flu vaccine? 16.5% 86.8% 70.3%
I have a cold. Can I get the flu vaccine? 48.2% 89.1% 40.9%
The flu vaccine makes it easier to catch other things like pneumonia. 79.1% 79.8% 0.7%
Even healthy people can die from flu 92.1% 93.0% 0.9%
Most people infected with influenza have no symptoms 38.1% 86.0% 47.9%
I'm healthy and never catch flu, should I still get vaccinated? 51.1% 69.8% 18.7%
Eating well and washing my hands will protect me from the flu 44.6% 77.5% 32.9%
You can get the flu by going out in the cold without a coat 64.0% 87.6% 23.6%
You must see your GP if you have flu 54.7% 79.8% 25.1%
Fever, aches, exhaustion and a cough are all flu symptoms 95.0% 92.2% -2.8%
Is my partner eligible for a free flu jab too? 49.6% 73.6% 24.0%
People with underlying health conditions should get the flu vaccine? 88.5% 89.1% 0.6%
The flu vaccine will protect me from the Australian Flu 21.6% 85.3% 63.7%
My employer can force me to get the influenza vaccine 82.0% 92.2% 10.2%
All nursing students should get the influenza vaccine 84.2% 91.5% 7.3%
You can catch the flu from someone sneezing near you 77.0% 83.7% 6.7%
Average Overall Score 68.6% 85.2% 16.6%