The final decision was made by the Netanyahu cabinet not the Knesset.
“Cabinet Approves Three-week Lockdown Starting Friday”
https://www.haaretz.com/israel-news/coronavirus-covid-israel-west-bank-gaza-updates-lockdown-1.9150906
Thanks. They’ve been going back and forth over it for several days now and I think Netanyahu had said they weren’t going to shut down again...I’m nit sure what happened to change that.