At least 13 passengers aboard a Fiji Airways flight arrived at Los Angeles International Airport on Monday feeling ill and complaining of symptoms.
Los Angeles firefighters are treating passengers aboard Flight 810, which arrived from Nadi at Los Angeles this morning.
The airport spokeswoman, Nancy Castles, says no one is getting off the plane, until they are cleared by medical professionals.
She says it appears the sickness is not contagious.
The Centres for Disease Control and Prevention and US Customs and Border Protection have been called to assess the patients.