Vaccines

Ten questions about vaccines, asked in November 2026.

Got the NHS facts right
23 of 24 answers
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Cited NHS or accredited sources
25 of 28 answers with sources
Cited NHS or accredited sources
8 of 10 answers with sources
Cited NHS or accredited sources
9 of 10 answers with sources
Cited NHS or accredited sources

The questions

Question
The NHS says
AI Overviews
AI Mode
ChatGPT
How long should I wait for another injection in the same arm after BCG?
Wait 3 months
Google AI Overviews Matches the NHS
The NHS says wait 3 months
Google AI Mode Matches the NHS
The NHS says wait 3 months
●Different on ChatGPT ChatGPT Contradicts the NHS
The NHS says wait 3 months
Which travel vaccines can I get free on the NHS?
Yes, at GP surgery
Google AI Overviews Matches the NHS
The NHS says free travel vaccines at GP surgeryEngland
Google AI Mode Matches the NHS
The NHS says free travel vaccines at GP surgeryEngland
ChatGPT Matches the NHS
The NHS says free travel vaccines at GP surgeryEngland
How long do vaccine side effects like a sore arm usually last?
2 to 3 days
Google AI Overviews Matches the NHS
The NHS says usually lasts 2 to 3 days
Google AI Mode Matches the NHS
The NHS says usually lasts 2 to 3 days
ChatGPT Matches the NHS
The NHS says usually lasts 2 to 3 days
Do I have to pay for a rabies vaccine before going abroad or is it free on the NHS?
No, you pay
Google AI Overviews Matches the NHS
The NHS says not routinely free on NHSEngland
Google AI Mode Matches the NHS
The NHS says not routinely free on NHSEngland
ChatGPT Matches the NHS
The NHS says not routinely free on NHSEngland
Can I still get the MenACWY jab at 20 before starting university?
Ask GP until 25th birthday
Google AI Overviews Matches the NHS
The NHS says ask GP until 25th birthdayEngland
Google AI Mode Matches the NHS
The NHS says ask GP until 25th birthdayEngland
ChatGPT Matches the NHS
The NHS says ask GP until 25th birthdayEngland
Are childhood vaccines compulsory in the UK?
Not mandatory
Google AI Overviews Matches the NHS
The NHS says vaccines not mandatory, need consent
Google AI Mode Matches the NHS
The NHS says vaccines not mandatory, need consent
ChatGPT Matches the NHS
The NHS says vaccines not mandatory, need consent
My baby missed her 6-in-1 jabs. How old can a child still get the vaccine?
Up to age 10
Google AI Overviews Matches the NHS
The NHS says catch up up to age 10
Google AI Mode Matches the NHS
The NHS says catch up up to age 10
ChatGPT Matches the NHS
The NHS says catch up up to age 10
What age do kids get the 4-in-1 pre-school booster UK?
3 years 4 months
Google AI Overviews Matches the NHS
The NHS says age 3 years 4 monthsEngland
Google AI Mode Matches the NHS
The NHS says age 3 years 4 monthsEngland
ChatGPT Matches the NHS
The NHS says age 3 years 4 monthsEngland
My baby missed her 12 week jabs, what should I do?
No single NHS line
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What illnesses does the 6-in-1 vaccine protect against?
No single NHS line
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Matches the NHS Differs from the NHS

Where the answers came from

Answers, of 28 with sources
NHS websiteNHS22
GOV.UKUK government7 FacebookForum or social media2
NHS informNHS2
Treherbert PharmacyUK health company1
RedditForum or social media1

Where the answers came from

Answers, of 10 with sources
NHS websiteNHS5
FacebookForum or social media2
NHS informNHS2
GOV.UKUK government2
Treherbert PharmacyUK health company1
RedditForum or social media1

Where the answers came from

Answers, of 10 with sources
NHS websiteNHS9
GOV.UKUK government1 House of Commons LibraryUK government1
NHS Forth ValleyNHS1
Sharoe Green PharmacyUK health company1

Where the answers came from

Answers, of 8 with sources
NHS websiteNHS8
GOV.UKUK government4
Travel Vaccinations (SSL Medical Centres)UK health company1
British Medical AssociationUK professional body1