A Health and Human Services official said it would "set a dangerous precedent for the Administration to disregard a binding decision."
This follows a similar announcement from the World Health Organization that said monkeypox is a “public health emergency of international concern.”
The progressive assemblyman, the son of civil rights activists, has a history of fighting for criminal justice reform.
The Senate has been much easier on his white nominees.
The country’s first case of the infection was diagnosed almost exactly a year ago.
If confirmed, Becerra will be the first Latino to lead the Department of Health and Human Services.
The major ride-hailing companies plan to appeal the decision, which would obligate them to provide additional benefits to drivers.
The 22-year-old is one of several young Latino men killed by police in California in recent months.
The state is home to the nation's largest public university system.
The sisters of Sean Monterrosa, shot by police in Vallejo, and Erik Salgado, shot by law enforcement in Oakland, want the officers convicted in the June killings.