Growing scepticism of vaccines in Europe, especially in countries like France should be a cause for concern.
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.
The ongoing Ebola outbreak is the second-worst one in history after more than 11,000 people were killed in Guinea, Sierra Leone and Liberia between 2014 and 2016.
Globally, nearly three times as many measles cases were reported from January to July this year than in the same period in 2018, the WHO said.
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.
Mexico's Ministry of Health has issued a travel alert to the United States after a Mexican was infected with measles while visiting New York.
Cases of the crippling disease have steadily increased in the country as attacks on health workers persist and fake news continues to circulate about the deaths of numerous children killed by the vaccine.
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."
By Friday afternoon, two days after Los Angeles County ordered the precautions, about 325 of those affected had been cleared to return after proving their immunity to the disease, through either medical records or tests, health officials said.
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.
A total of 555 cases of measles have been recorded in the United States since January 1 with an Orthodox Jewish community in New York City being hardest hit who were infected by visitors from Israel, where a measles outbreak began a year ago.
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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