Almost half of patients with respiratory infections improperly get antibiotics.
More cases have been reported in 2 outbreaks, one linked to Del Monte veggie trays and the other to McDonald's salads.
The decision means the firm will no longer work on several antimicrobial projects in development.
BARDA will provide $24 million in initial funds to 2 companies to advance tests for influenza A and B.
Depression, headaches, and insomnia are just some of the often debilitating symptoms.
"Our results justify consideration for revised recommendations from WHO and wider use of bedaquiline," the authors write.
Among the findings: abundant acorns and few predators of rodents help boost tick levels.