Social media posts about US Health Secretary Robert F Kennedy Jr and vaccines have received major engagement among European social media users this year, Euronews can reveal, leading to concerns about the spread of misinformation as measles cases rise in Europe.
Posts related to both RFK Jr and vaccines shared by accounts in French, German and Italian on X received nearly a million likes, shares and comments in the first quarter of 2025.
More than half of the top-performing posts analysed were found to be spreading misinformation, researchers found. US President Donald Trump’s health secretary has repeatedly cast doubt on the safety of vaccines.
The social media analysis, carried out by misinformation researchers at Ripple Research, logged some 220,000 posts mentioning RFK Jr and vaccine-related keyword searches in three languages between January and March.
The captured posts regarding RFK Jr and vaccines were authored by 53,000 users and engaged with 948,000 times, Ripple Research’s analysis found.
It comes against the backdrop of mounting concerns about falling immunisation rates against measles, as the number of measles cases in the European region doubled last year and reached the highest rate in 25 years, according to the World Health Organization and the UN children’s fund, UNICEF.
There were more than 100,000 measles cases in Europe alone in 2024. A third of global cases were in Europe,” Alexei Ceban, immunisation specialist at Unicef Europe and Central Asia Regional Office, told Euronews.
“There are significant gaps in immunisation coverage: five in the top 10 countries in Europe and Central Asia were in Europe,” Ceban added, commenting on current measles outbreaks.
“Most of the time, we’ve thought that measles, or other vaccine-preventable diseases, may be registered in other, lower-income countries, but that is not the case.”
“I think that misinformation affects immunisation coverage and we see a clear connection between these two phenomena … which leads to huge outbreaks,” he pointed out.
Ceban called for “timely immunisation”. “Children are dying, or suffering serious consequences… pneumonia, blindness. Measles is a severe disease.”
In the US, more than 700 measles cases have been reported in outbreaks across the country. Two children have been confirmed to have died from measles in 2025.
W773-1 on
Social Media boosts anti-vax movements. Corrected that for you.
SurroundTiny on
I would have thought that listening to that halfwit would have the completely opposite affect
Arbuthnot_Beryl on
I’d suggest a vaccine against idiocy. But they wouldn’t get it.
Fast_Yard4724 on
This is ridiculous! When I was younger I had the mandatory shots, and I never had to fear catching any of those potentially deadly infections. Prevention is better than cure, no?
And the fact that makes my blood boil the most is that RFK’s children are vaccinated, so this is extremely dangerous hypocrisy.
pied_goose on
Maybe the US will take them if they are the right skin color.
robeewankenobee on
Imagine a nut case being your first goto for scientific and medical research information … what a time to be alive :))
GrannyFlash7373 on
Sick people will grasp at ANY reason to further their cause.
Flippohoyy on
So stupidity is here to? makes sense that right-wing populism is on the rise
Fact-Adept on
Natural selection by following a natural idiot
Own_Active_1310 on
Those anti intellectual fascists don’t deserve to benefit from the work of their victims anyway.
Let them get their freedom sores and pray to their dumb god for a cure.
Visual-Amount7802 on
I got my last booster vaccination just a few days ago. Isn’t it crazy how humanity is connected to the knowledge of humanity and still somehow manages to become more stupid?
jkurtis23 on
RFK Jr. is detrimental to America’s health
BaconCheeseZombie on
Anti-vax is such a weird way to refer to a Nurgle Plague Cult
Ilikeswedishfemboys on
Make an arrest warrant for him for creating health hazard.
15 commenti
Social media posts about US Health Secretary Robert F Kennedy Jr and vaccines have received major engagement among European social media users this year, Euronews can reveal, leading to concerns about the spread of misinformation as measles cases rise in Europe.
Posts related to both RFK Jr and vaccines shared by accounts in French, German and Italian on X received nearly a million likes, shares and comments in the first quarter of 2025.
More than half of the top-performing posts analysed were found to be spreading misinformation, researchers found. US President Donald Trump’s health secretary has repeatedly cast doubt on the safety of vaccines.
The social media analysis, carried out by misinformation researchers at Ripple Research, logged some 220,000 posts mentioning RFK Jr and vaccine-related keyword searches in three languages between January and March.
The captured posts regarding RFK Jr and vaccines were authored by 53,000 users and engaged with 948,000 times, Ripple Research’s analysis found.
It comes against the backdrop of mounting concerns about falling immunisation rates against measles, as the number of measles cases in the European region doubled last year and reached the highest rate in 25 years, according to the World Health Organization and the UN children’s fund, UNICEF.
There were more than 100,000 measles cases in Europe alone in 2024. A third of global cases were in Europe,” Alexei Ceban, immunisation specialist at Unicef Europe and Central Asia Regional Office, told Euronews.
“There are significant gaps in immunisation coverage: five in the top 10 countries in Europe and Central Asia were in Europe,” Ceban added, commenting on current measles outbreaks.
“Most of the time, we’ve thought that measles, or other vaccine-preventable diseases, may be registered in other, lower-income countries, but that is not the case.”
“I think that misinformation affects immunisation coverage and we see a clear connection between these two phenomena … which leads to huge outbreaks,” he pointed out.
Ceban called for “timely immunisation”. “Children are dying, or suffering serious consequences… pneumonia, blindness. Measles is a severe disease.”
In the US, more than 700 measles cases have been reported in outbreaks across the country. Two children have been confirmed to have died from measles in 2025.
Social Media boosts anti-vax movements. Corrected that for you.
I would have thought that listening to that halfwit would have the completely opposite affect
I’d suggest a vaccine against idiocy. But they wouldn’t get it.
This is ridiculous! When I was younger I had the mandatory shots, and I never had to fear catching any of those potentially deadly infections. Prevention is better than cure, no?
And the fact that makes my blood boil the most is that RFK’s children are vaccinated, so this is extremely dangerous hypocrisy.
Maybe the US will take them if they are the right skin color.
Imagine a nut case being your first goto for scientific and medical research information … what a time to be alive :))
Sick people will grasp at ANY reason to further their cause.
So stupidity is here to? makes sense that right-wing populism is on the rise
Natural selection by following a natural idiot
Those anti intellectual fascists don’t deserve to benefit from the work of their victims anyway.
Let them get their freedom sores and pray to their dumb god for a cure.
I got my last booster vaccination just a few days ago. Isn’t it crazy how humanity is connected to the knowledge of humanity and still somehow manages to become more stupid?
RFK Jr. is detrimental to America’s health
Anti-vax is such a weird way to refer to a Nurgle Plague Cult
Make an arrest warrant for him for creating health hazard.