The United States of America has registered 1,618 measles cases with three deaths so far this year, the highest number since 1992, according to official data released.  

Among them, 1,595 cases were reported by 42 domestic jurisdictions and 23 cases were among international visitors to the United States, said the US Centres for Disease Control and Prevention (CDC). The total represents the most US infections since 1992, when the CDC recorded 2,126 measles cases.