Anti-vaccination bill
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Rep. Shane Sandridge, R-Colorado Springs, center, meets with opponents of a bill to increase school immunizations by creating a state form to get exemptions for school children Wednesday night, before a five-hour hearing on House Bill 1312. 

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After hours and hours of debate and sessions that went to the early morning hours, the Colorado Senate effectively canned a bill to beef up the state's vaccination reporting requirements.

Senate Majority Leader Steve Fenberg of Boulder announced on the Senate floor Thursday afternoon that the bill would be postponed until Friday, effectively killing it.

Legislative rules requires the floor debate, called second reading, and a roll call vote for final passage occur on separate days.

Friday is the last day of the session.

Hundreds of parents and nearly all the legislative Republicans had opposed House Bill 1312, which would have created a standardized form to get an exemption for a child attending public school.

The exemptions, based on religious or personal beliefs, would have remained in place, however.

Rep. Kyle Mullica, D-Northglenn, a nurse, sponsored the bill, which he called a public safety measure in the face of measles cases reported in 22 states, including Colorado.

The bill's underlying goal was to encourage more people to vaccinate their children, rather than simply notifying their local school that they have opted not to immunize their children.

Opponents deemed it an invasion of privacy and a violation of parental rights by forcing them to register their exemption with the state.

Contact Joey Bunch at or follow him on Twitter @joeybunch.

Colorado Politics senior political reporter

Joey Bunch is the senior correspondent and deputy managing editor of Colorado Politics. His 32-year career includes the last 16 in Colorado. He was part of the Denver Post team that won the Pulitzer Prize in 2013 and he is a two-time finalist.

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