"Nobody should sit in judgment of another person's religious and spiritual beliefs", says Barbara Loe Fisher, a spokesperson for the National Vaccine Information Center, a group that lobbies against mandatory vaccination and thinks parents should have a choice.
The individual is a resident of IL and had recently been to countries where the measles is common.
UNICEF's report comes as lawmakers debate anti-vaccination legislation that would allow parents to easily opt out of vaccinating their children, the Washington Post reported.
The outbreak now in the Philippines has been blamed on controversy that broke over a dengue fever vaccine as potential side effects to the shot were not properly advertised creating mistrust among the public against all vaccines.
Brazil had no measles cases in 2017, but 10,262 were reported in 2018.
The remarks mirror recent comments by the World Health Organization who blamed the increase in measle cases on the "failure to vaccinate", which they also noted was being encouraged by misinformation.
According to the CDC, those people should be receiving at least one dose of the live MMR vaccine.
"We actually have Giant come on campus on move-in-day and they bring vaccines, so if you are missing any when you have turned in your health records and have not gotten them yet, you can get them".
Dr. Audrey K. Chun, an associate professor in the department of geriatrics and palliative medicine at the Icahn School of Medicine at Mount Sinai, said older adults are at a low risk for contracting measles.
To achieve this for measles, the population immune needs to be 93% to 95%.
"Most people born before 1957 were exposed to at least two major measles outbreaks, which confers immunity", she said.
"However, there are pockets of people who are vaccine-hesitant".
If you were fully vaccinated, have had the disease or have a blood test that shows you are immune, then you should be protected. Two shots are required, one around the first birthday and a second between age 4 and 6. "You can believe that vaccines don't work or that they are unsafe or they simply fly in the face of your parenting philosophy", she says. "They are best protected by vaccinating those around them who can be". "It is abundantly clear on the necessity for parents to ensure that their children are vaccinated, especially from Measles".
The Ministry of Health is reminding travellers to make sure they are immunised against measles following outbreaks overseas.