(ABC 6 News) — New CDC data shows there have been almost 1300 confirmed cases of measles nationwide this year. That is the highest number in more than three decades, and it is a big spike from last year’s roughly 300 cases.

The US Centers for Disease Control and Prevention on Wednesday tallied the highest number of US measles cases since the disease was declared eliminated a quarter-century ago, just as a key Senate committee split the vote to advance President Donald Trump’s nominee to lead the public health agency.

The United States is currently experiencing a major outbreak of measles, reportedly the worst in three decades. According to the US Centers for Disease Control and Prevention (CDC), the national case count reached 1,

More people have contracted measles in the US so far this year than in any year in the last three decades. New data from Atlanta-based Centers for Disease Control and Prevention shows 1,288 infections this year through 38 states,

Fox News senior medical analyst Dr. Marc Siegel weighs in on childhood obesity concerns and the surge in measles cases across the U.S. on 'America's Newsroom.'

A local medical office closed on Wednesday due to a possible measles exposure. A post on the Mid-Ohio Valley Health Department Facebook page Thursday morning said the Mid-Ohio Valley Medical Group “notified their patients that they would be closed as they assessed a potential measles case in their building.

The U.S. is having the worst measles outbreak in decades. Here’s what experts recommend you do to avoid getting sick.

The CDC says the best way to protect yourself against measles is with the measles, mumps, and rubella vaccine. According to the CDC, your child’s pediatrician and your primary doctor can provide the MMR vaccine. The vaccine may also be available at pharmacies, community health clinics, and health departments.