A shot in the arm for U.S. workers.
Morelli
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D002487:Centers for Disease Control and Prevention, U.S.; D006506:Hepatitis A / Q000517:prevention & control; D006509:Hepatitis B / Q000517:prevention & control; D006801:Humans; D017589:Immunization Programs / Q000191:economics / Q000458:organization & administration*; D007251:Influenza, Human / Q000517:prevention & control; D007449:Investments; D009786:Occupational Health Services / Q000191:economics / Q000458:organization & administration*; D014481:United States; D017132:Workplace