(Eugene, OR) -- A lawsuit against Oregon's vaccine mandate for state employees, health care workers, and teachers will be heard on Monday, the same day the mandate takes effect. The lawsuit was filed by seven Oregonians who will argue they should be exempt because they previously had COVID-19 and recovered from it. They claim there's evidence that people who recover from COVID-19 have a greater risk of having an adverse reaction. The CDC says it's safe if the person waits 90 days after recovering from the virus.