The Republican-controlled Wisconsin Legislature on Wednesday plans to take the final step needed to stop Democratic Gov. Tony Evers’ administration from requiring 7th graders to be vaccinated against meningitis.

The state Senate and Assembly plan to take action that would block the proposal. There is no current meningitis vaccination requirement for Wisconsin students.

The Legislature's vote would also make it easier for parents to get an exemption from a chicken pox vaccine requirement that is in place for all K-6 students. Evers' administration wanted to require parents seeking a chicken pox vaccination exemption to provide proof that their child has previously been infected.

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The Advisory Council on Immunization Practices — experts who advise the Centers for Disease Control and Prevention — has recommended that students get vaccinated against meningitis since 2005.

However, some parents complained at a public hearing that the proposed requirements violated their liberties. Health officials said they were trying to protect students' health.

Meningitis is an infection of the brain and spinal cord that can also cause blood infections. It can be deadly or cause lifelong disability. Rates of the disease have declined in the United States since the 1990s and remain low in Wisconsin and across the country, according to the CDC.

Vaccines for both meningitis and chicken pox are widely used and have been proven to be safe and effective.

In March, a Republican-led legislative committee voted to block the proposed policy changes, just as it did two years ago and despite the objections of Democrats and health officials. The Legislature’s vote Wednesday is the final step needed to stop enactment of the policy.