Medical errors, including wrong diagnoses, botched surgeries and medication mistakes, are the third leading cause of death in the United States, a new study suggests.

Under pressure from U.S. regulators, Japanese air bag manufacturer Takata Corp (7312.T) is expected to announce as early as Wednesday that it is recalling 35 million to 40 million additional inflators in U.S. vehicles, three sources briefed on the matter said on Tuesday.