That's when the Centers for Disease Control and Prevention launched a network of 50 specialized laboratories across the country for state-of-the-art analysis of samples from infected patients.

CNN: Smallpox, anthrax: What could happen

Sales at privately owned general freight and specialized freight trucking companies are up more than 14 percent over the last 12 months, according to a financial statement analysis of privately held companies by Sageworks Inc.

FORBES: Trucking industry sales revving