In Texas, there were 146 cases of measles across the state and the South Plains, with 20 patients hospitalized. The best way to prevent getting sick is to get two doses of a measles vaccine.

A total of 159 people have contracted measles in Texas as of Tuesday, according to the state’s health department, marking another increase in an outbreak of the highly contagious virus that was first reported in the state in late January.

The Texas Department of State Health Services updated the official case count in the deadly measles outbreak to 159, up from the last reported case count of 146