In 2010, a flock of seagulls (no, not the band) in St. Louis began defecating on Kings Of Leon, causing them to cancel the gig and had them worrying about possibly contracting some disease or virus from the creatures.

Now, fans of the band who attended their Seattle gig on March 28 might have got far more than they bargained for after a female concertgoer has been diagnosed with measles connected to an outbreak in B.C. The fear now is that fans who possibly came in contact with the woman could now be carrying measles, too.

NPR reports the Washington State Department Of Health has published information regarding the woman without identifying her by name. According to the April 2 notice issued by the state, the woman in her 20s "became contagious with measles March 26 after visiting a local family with measles linked to an outbreak in British Columbia."

The woman then took in the Kings Of Leon show March 28 at Seattle's Key Arena. The notice also posted a string of places visited including a Starbucks, a cafe and a Best Western. "Anyone who was in those locations at the listed times should find out if they have been vaccinated for measles or have had measles previously," the notices reads. Those who aren't vaccinated are encouraged to see a health care professional "immediately."

Measles is extremely contagious and communicable, spread through an infected persons cough, sneeze or simply breaths. The ailment can cause rash, fever, cough, eye irritation and can even lead to death. Another factor is that it can take anywhere from seven to seventeen days for a person to become ill from measles after exposure to it, during which time they can be infectious.

Jeffrey Duchin, the chief of communicable disease control for Seattle and King County Public Health in the state, says they've posted the notice due to the nature of measles. "It can stay in the air for hours after the contagious person has left," Duchin says. "If we don't treat these people, the chain of transmission can continue."

The band has made no comment regarding the March 28 gig and possible exposure. Kings Of Leon are touring in support of "Mechanical Bull" and wrap up a North American trek in New Orleans on Friday (April 11). The band begins a European leg in late May after a May 28 concert in Dubai.

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