Lyme disease
Seven questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.
Led with the right place
Led with the right place
Led with the right place
Led with the right place
Led with the right placeNovember 2026
AI Overviews
1 of 2
AI Mode
0 of 2
ChatGPT
1 of 2
ChatGPTHistory starts when there is a second month to compare. November 2026 is the first.
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts rightNovember 2026
AI Overviews
2 of 3
AI Mode
2 of 3
ChatGPT
3 of 3
History starts when there is a second month to compare. November 2026 is the first.
Cited NHS or accredited sources
8 of 21 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sourcesNovember 2026
AI Overviews
1 of 7
AI Mode
3 of 7
ChatGPT
4 of 7
History starts when there is a second month to compare. November 2026 is the first.
The questions
Question
The NHS says
AI Overviews
AI Mode
ChatGPT
got bitten by a tick on a walk last month and now I feel shivery with a headache and achy muscles, is it lyme disease
111 or urgent GP
●Less urgent on AI Overviews
Google AI Overviews
See a GP or pharmacist
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
●Not up front on AI Mode
Google AI Mode
Right place, not up front
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
ChatGPT (logged out)
Led with the right place
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
round red rash spreading weeks after tick bite on my leg
111 or urgent GP
Google AI Overviews
Led with the right place
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
●Not up front on AI Mode
Google AI Mode
Right place, not up front
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
●Not up front on ChatGPT
ChatGPT (logged out)
Right place, not up front
The NHS says call NHS 111, or get an urgent GP appointment
The NHS says call NHS 111, or get an urgent GP appointment
Can a Lyme disease blood test be negative if I have it early on?
Retest if symptoms
Google AI Overviews
Matches the NHS
The NHS says blood tests may be inaccurate early
The NHS says blood tests may be inaccurate early
Google AI Mode
Matches the NHS
The NHS says blood tests may be inaccurate early
The NHS says blood tests may be inaccurate early
ChatGPT (logged out)
Matches the NHS
The NHS says blood tests may be inaccurate early
The NHS says blood tests may be inaccurate early
How long after a tick bite can the Lyme disease rash appear?
Up to 3 months
Google AI Overviews
Matches the NHS
The NHS says up to 3 months after bite
The NHS says up to 3 months after bite
Google AI Mode
Matches the NHS
The NHS says up to 3 months after bite
The NHS says up to 3 months after bite
ChatGPT (logged out)
Matches the NHS
The NHS says up to 3 months after bite
The NHS says up to 3 months after bite
How long do you take antibiotics for Lyme disease?
Finish the course
●Didn’t say on AI Overviews
Google AI Overviews
Does not say
The NHS says finish the full course
The NHS says finish the full course
●Didn’t say on AI Mode
Google AI Mode
Does not say
The NHS says finish the full course
The NHS says finish the full course
ChatGPT (logged out)
Matches the NHS
The NHS says finish the full course
The NHS says finish the full course
Matches the NHS
Not up frontDiffers from the NHS
Where the answers came from
Where the answers came from
Johns Hopkins Lyme Disease Research Center4 JAMA Network3 Mayo Clinic2
Medimap1
Facebook1
Daniel Cameron MD1
Where the answers came from
Where the answers came from
UK charities for lyme disease
Lyme Disease Action