Millions could die in a worldwide influenza pandemic . Antibiotic resistance is growing globally and in the United States . Travelers may bring back more than souvenirs from abroad . H7N9 influenza , also known as bird flu , is spreading in China , though fortunately it has not mutated to become an infectious disease outbreak that could threaten the health of people around the world . Comment:
Millions could die in a worldwide influenza pandemic . Antibiotic resistance is growing globally and in the United States . Travelers may bring back more than souvenirs from abroad . Comment: