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Will Germany be one of them?
With the European elections around the corner we ask some experts how the EU can fight back against disinformation during the campaign.
Nearly half of Europeans wrongly believe vaccines often cause serious side-effects, according to a poll that comes amid a global rise in measles.
In high income countries, the US, France then Britain have had the highest numbers of unvaccinated children between 2010-2017.
"We all know that there is a huge number of fake vaccinated children. Every mum in the playground knows it. They say ‘All the mothers do it, they just go and bribe the doctor or a nurse’."
A vaccine came too late for his daughter, Olivia.
"This is the epicenter of a measles outbreak that is very, very troubling and must be dealt with immediately," the mayor said at a news conference in Williamsburg.
There's lots of talk about how to protect children from the highly contagious virus, but adults with measles are 10 times more likely to be hospitalized.
It's unclear if the man had measles or was under quarantine because he had been exposed and had no proof of immunity.
Cases of measles are on the rise, 159 cases have been reported in 10 states.
The 5-year-old and his parents are on holidays in the Latin American country.
WHO said “uneven progress between and within countries” was to blame for the record numbers.
The World Health Organization has sounded the alarm about measles in Europe. But in which countries is the outbreak worst?
Dr Mark Muscat of the World Health Organization tells Euronews that a lack of vaccination coverage is behind the record numbers of measles case in Europe.
Here are the top stories from Europe and beyond we were following this morning, Tuesday, August 21.
It comes as the number of measles cases quadrupled in Europe in 2017, with 35 fatalities, according to the World Health Organization.
An Italian toy maker has been urged to withdraw a doll that can be cured of the measles using "magic" wipes and cream.
Uptick in measles cases mostly localised around one Porto hospital where some health professionals appear to have neglected their vaccination regimes.
The number of measles cases in Europe has quadrupled in a year, according to the World Health Organization.
It's worst in Italy and Romania.
In the past year, 34 people have died after contracting measles in Romania. More than 9,233 cases have been recorded in the current outbreak.