Health experts have confirmed the number of measles cases in Auckland alone have risen above 1000.
The total number of cases in the city have risen to 1007, after 37 new cases were confirmed. Most of the cases have been in south Auckland.
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But health experts are applauding the public for taking action to prevent further cases of the infection.
Auckland Regional Public Health Service medical officer of health Dr William Rainger says vaccinations have skyrocketed in the past three weeks.
"Generally we're still going on at about 18 to 20 new cases on average per day.
"The age distribution remains the same; children below the age of five years, and young adults between 15 and 29 years of age."
The Ministry of Health says there are now 1214 cases of the infection nationwide.
Measles is one of the most infectious viruses out there. Just being in the same room as someone with the disease is enough to catch it.