This order affects residents of the following zip codes: 11205, 11206, 11221 and 11249.
A recently released large-scale Danish study looked at any possible risk for autism from the MMR vaccine and the conclusion was that "MMR vaccination does not increase the risk for autism, does not trigger autism in susceptible children, and is not associated with clustering of autism cases after vaccination".
"I understand that parents may be afraid of getting their children vaccinated", health commissioner Barbot said.
Barbot cited a group of "anti-vaxxers" who are seeking to undermine the public health emergency.
"To challenge the risky misinformation that is being spread by a group of anti-vaxxers, it's crucial that everyone around them be vaccinated to shield them from infection", Barbot said.
What's more, the more children in the community have it, the higher risk of exposure for kids with weakened immune systems and pregnant women, who need to avoid the virus.
News of the order got a mixed reaction in Williamsburg, with some residents - even those who support vaccination - saying they felt uncomfortable with the city pushing vaccines on people who don't want them.
Now any school out of compliance will immediately be issued a violation and could be subject to closure, the Mayor's office said.
The nation's biggest city is in the midst of its biggest measles outbreak since 1991, with 285 cases diagnosed since last fall - compared to two in all of 2017, officials said.
The vast majority of cases are children under 18 years of age (246 cases), and 39 cases are adults. The largest outbreak occurred in 2014, with 667 cases, CNN reported. Twenty-one people have been hospitalized since the outbreak started with five people being admitted to the intensive care unit.
Measles is a highly contagious viral disease that can result in serious health complications, such as pneumonia and swelling of the brain.
'I know that getting vaccinated is far safer than getting measles. CDC figures show 71.2 percent of children that age in Alabama had received the recommended doses vaccines, including MMR, in 2018.
The outbreak has been predominately among ultra Orthodox Jews, and not unsimilar to outbreaks among other insular communities in recent years where parental fears about immunization have been influenced by an anti-vaccine movement in the larger population that persists despite scientific studies showing the safety of the measles, mumps and rubella vaccine.
Measles can be prevented through vaccinations. New Yorkers should call 311 to access a list of facilities that can provide MMR at low or no cost.
There are large outbreaks of measles in Europe and Israel, as well as in countries in South America, Africa, and Asia. Officials in New York City were no different in their blame.
Anyone believing they have been exposed to measles or exhibiting symptoms, should not go to the ED or after hours' clinic or general practitioner.