Officials declared a state of emergency and said a compulsory immunisation programme was making progress, with more than 17,000 people vaccinated in the past five days.
Growing scepticism of vaccines in Europe, especially in countries like France should be a cause for concern.
Research shows for the first time how measles – one of the world's most contagious diseases – erases the body's memory of previous pathogens, effectively wiping its immunity memory.
Pakistan, Afghanistan and Nigeria are the only countries in the world, where polio is endemic. And in contrast to recent years of gradual improvement, this year there have been at least 72 cases of polio in Pakistan after only eight in 2018.
Wild poliovirus type 3 is the second of three types of the crippling virus to be eradicated worldwide. Only type 1 still remains.
Social media companies have struggled to combat fake news of all sorts, from political propaganda to bogus warnings about vaccines such as MMR for measles, mumps, and rubella.
Turkey has "spent $123.34 million with the largest and the most technologically advanced industrial investments up until now in Turkey's pharmaceutical industry," the deputy health minister says.
Total number of polio-affected children rises to 41 this year in Pakistan, where militant groups often target polio vaccinators and their security in several regions.
A third of French citizens think immunisation is unsafe, according to figures. Globally, 79 percent of people agreed that vaccines are safe and 84 percent said they were effective.
Ghana is one of three African nations piloting the WHO-backed project with officials saying the vaccine will be able to "reduce new infections in four out of 10 children."
After more than three decades in development and almost $1 billion in investment to prevent malaria, which kills hundreds of thousands, the most advanced vaccine yet has been rolled out in Malawi's capital Lilongwe.
The World Health Organization (WHO) has reported that global measles cases have nearly quadrupled in the first quarter of 2019 to 112,163 cases compared to the same period last year.
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