Ukraine reported the highest number of measles cases previous year across Europe, while more than 90% of cases were in 10 countries, including France, Italy and Greece.
Legislation in the state of NY permits vaccine exemptions for individuals who have religious beliefs against immunization. "We're hopeful and any time we see that there are no new exposure locations that's helpful", said Marissa Armstrong, spokeswoman for the Clark County Public Health.
Washington and OR are among 17 states that allow non-medical exemptions from vaccination requirements for school entry, according to the National Conference of State Legislatures.
Measles is one of the most infectious diseases and can cause complications such as brain damage and blindness. The vaccine strain of measles has never been transmitted person to person. The call center is open daily.
"We heard rumblings of a measles outbreak in the capital between December and January and I just knew we were going to get hit", Lon Kightlinger, a former South Dakota state epidemiologist and regular Peace Corp volunteer in Madagascar, tells CNN.
The first cities listed as vulnerable?
- One case of measles has been confirmed in Bell County.More news: Unai Emery reveals Arsenal loanee Denis Suarez trained alone on Monday
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In Clark County, Washington - where about 50 people have been infected since the outbreak started - more than 6 times as many people were vaccinated for measles from January 13 to February 2 compared to the same period past year, according to a spokesperson for Washington State Department of Health.
Washington and Oregon Outbreaks: The Tell-Tale Signs Both Washington and Oregon permit religious and philosophical vaccine exemptions, according to the National Conference of State Legislatures.
Since the beginning of the year, things have been looking increasingly grim in parts of OR and Washington due to a measles outbreak that has affected dozens of people. Between January 13 and February 2, 2,739 children and 1,754 adults were vaccinated compared to 630 children and 60 adults over the same period a year ago. The first MMR vaccine ensures 93 percent protection against measles. Health officials are not providing information about this individual in order to protect their privacy.
"The measles vaccine isn't ideal, but one dose is 93 percent effective at preventing illness", said Dr. Alan Melnick of the Clark County Public Health Department.
Anyone with questions about their measles immunity or the measles vaccine should contact their primary care provider.
Despite availability of safe and cost-effective vaccines since the 1960s, more than 100,000 people die globally from the illness each year - the majority of whom are children younger than five years old in developing countries. Since Jan. 1, 51 confirmed cases and 13 suspect cases have been identified.