https://www.siliconvalley.com/2021/05/16/covids-political-impact-teachers-union-outspends-big-oil-in-sacramento/

An exclusive analysis of lobbying expenditures in Sacramento by the Bay Area News Group reveals how the coronavirus pandemic has changed priorities and galvanized certain special interests, with the California Teachers Association assuming the role of the state’s top influencer.  

The state’s main teachers union spent $2.85 million during the first quarter of this year — more than twice as much as the second and third ranking lobbying funders, two Big Oil interests, combined — as it pushed teachers to the front of the line for vaccines and resisted efforts to force a return to the classroom.