The deadly measles outbreak in Texas is continuing to rise, now approaching a total of 500 confirmed cases with at least 56 people facing hospitalization since late January, according to health

The Texas health department reported 422 cases of measles in the state on Tuesday, an increase from 400 on March 28, as the United States battles one of the largest outbreaks of the disease in the past decade.

Measles cases in Texas rose to 400 as the U.S. total reached almost 500 amid the worsening outbreak, officials have said.