The U.S. government on Thursday filed a civil lawsuit accusing the drug distributor AmerisourceBergen Corp. of contributing to the deadly U.S. opioid epidemic by repeatedly failing to report suspicious orders of prescription painkillers.

Walgreens Boots Alliance contributed to the opioid epidemic in San Francisco through its sale of prescription drugs in the city, a federal judge concluded on Wednesday.

In its second quarter financial report this year, Teva Pharmaceuticals announced that it had arrived at an almost $5-billion settlement for thousands of pending opioid liability lawsuits.

New York’s attorney general on Monday said Teva Pharmaceutical Industries Ltd. lied to evade accountability for helping fuel the state’s opioid crisis, and should be restored to litigation where the Israeli company’s U.S. unit had been found liable.

Major U.S. drug distributors McKesson Corp., AmerisourceBergen Corp., and Cardinal Health Inc. are not responsible for fueling an opioid epidemic in a part of West Virginia, a federal judge ruled on Monday.

The U.S. Supreme Court on Monday rejected bids by Insys Therapeutics Inc. founder John Kapoor and another former executive of the drugmaker to overturn their convictions for conspiring to bribe doctors to prescribe addictive opioids and defraud insurers into paying for them.

Teva Pharmaceutical Industries and AbbVie’s Allergan unit reached a settlement worth $161.5 million to resolve claims the companies fueled an opioid epidemic in West Virginia, state attorney general Patrick Morrisey said on Wednesday.