In a lawsuit filed Thursday in state district court in Lubbock County, state Attorney General Ken Paxton accused Pfizer of promoting the vaccine and its boosters by making "unsupported claims."
The Food and Drug Administration approved updated booster shots for COVID-19 on Monday, a major step toward launching a fall immunization campaign against the virus that is now viewed as a perennial but manageable threat.
Florida Gov. Ron DeSantis, who has staunchly opposed pandemic-related mandates and lockdowns, is seeking a grand jury investigation of potential wrongdoing by the major manufacturers of the COVID-19 vaccine.
Makers of the leading COVID-19 vaccines have launched trials of a two-in-one shot that would attack the coronavirus and influenza, hoping a single shot will be more convenient than a poke in both arms.