The House passed the bill 45 to 15.
State law requires students in public shcools to be immunzied against diseases like polio and measles.
Yet nearly 6 percent of Oregon kids opt out of these vacciantions.
State Representative Jason Conger of Bend voted against the bill.
"To me it's a strange intrusion into parentl lrights without justification. It seems to me there's a misunderstanding with policy makers. The necessity driving it -- doesn't exist."
The exemption rate in Deschtues County has gone from half a percent to 8 percent between 2000 and 2013.