Cruise ships may carry unwelcome passengers: Germs

Tina Krasner of South Windsor, Connecticut, was one of 3,050 people aboard a cruise ship when it departed from New Jersey on a tropical...

Image: MRI of the lateral skull
John Greim / LightRocket via Getty Images
Courtesy Cynthia Brodoway Nemours/Alfred I. duPont Hospital for Children, Wilmington, Delaware
Courtesy Cynthia Brodoway Nemours / Alfred I. duPont Hospital for Children