These symptoms are followed a few days later by a rash that starts on the face and spreads to the chest.
The resurgence of the disease in some countries has been linked to medically baseless claims linking the measles vaccine to autism, which have been spread in part on social media by members of the so-called "anti-vax" movement.
Vancouver Coastal Health said three measles cases were confirmed this week and that the first person who tested positive acquired the infection outside of North America.
Watch for symptoms of measles until 21 days after exposure.
WA hospitals, schools and Global Positioning System have been sent urgent notices from the Health Department over a spike in measles cases.
"This was for people who had already had the shots and just wanted to have an update, or weren't sure if they had both shots", said the school district's health and safety co-ordinator Karine Boily.
This announcement is a significant, negative change from 2018 when only 9 measles cases were confirmed in Texas for the entire year.
A parent visiting the clinic Friday was happy with the school's response: "You always worry about that, but we did everything we could, and the school is doing as much as they can".
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VCH is now notifying people known to be in contact with the case.
"My message today is clear".
"Measles is not going anywhere... it's everyone's responsibility", said Dr. Katherine O'Brien, director of Immunization, Vaccines and Biologicals at WHO.
Clark County Public Health now maintains a daily call center for questions about the outbreak at 360-397-8021.
The province's top doctor said she's not in favour of mandatory vaccines, but there is one change she would like to see. A lot of them were children under the age of five.
She said making immunizations themselves mandatory can provoke people who are anti-vaccine, but an opportunity for education has been valuable elsewhere. This helps protect those who can't receive the vaccine because of allergies and other reasons.
Boily said most students are immunized, but because of how easily the virus can spread, there were concerns it may spread.
The World Health Organization projected a near doubling of measles cases due to outbreaks in rich and poor countries alike, and appealed to countries to get back on track with vaccination protocols. "But what they need to do is contact their pediatrician or their primary care physician to get this accomplished". Those who were at the emergency department on the dates and times below could have been exposed.