There has been no connection made between the outbreak in Washington and the three cases in Georgia.
Meanwhile, the ongoing measles outbreak in Washington, US, has reached the highest number of infections since 1996, according to an official.
But in recent years, there's been a resurgence of the disease both in the USA and overseas, and experts believe its return is fueled by anti-vaccination laws, groups and lobbies, experts say.
The overall vaccination rate for children entering kindergarten in California rose to 95 per cent in the two years after the law passed. Melnick said one need look no further than his county's official Facebook page to glimpse the rampant (and at times sophisticated) anti-vaccine propaganda that's spreading around the area.
"Even though the CDC bureaus declared measles as 'eradicated" in the 2000s, a new measles outbreak hit the United States, proving that there's nothing eliminated regarding the measles virus.
Health officials say groups with low vaccination rates are the most at risk.
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You can get measles if you go near someone who has the virus because the virus stays for up to two hours in the air of a room where a person with measles has been. These would typically result in 400 to 500 deaths and about 1,000 cases of encephalitis (swelling of the brain).
Measles is extremely contagious, and can be risky, especially for young children.
But the vaccine is less effective in those under a year old and is generally not given to infants.
None of the infected people were vaccinated and they are no longer contagious.
"Please get your children vaccinated", Gov. Kate Brown said. Symptoms usually appear 10-12 days after exposure but may appear as early as seven days and as late as 21 days after exposure.
Authorities believe no one was exposed to the measles in Hawaii. She said the legislation would "bring a hammer down and threaten people instead of allowing them to make informed decisions".
Symptoms of measles can often be similar to cold or flu symptoms, including: fever, diarrhea, coughing, runny nose, red and watery eyes, and fatigue.