In a year of big news, how are the health-care industry’s health information exchanges doing?

In a decade, the United States has witnessed an explosion in the number of new health care-related applications.

But a new report finds that the process of acquiring and sharing information about patients’ health remains a major challenge.

“As we enter the second half of the century, we are witnessing a significant change in how health information is shared, collected and exchanged across the country,” said Paul E. Clements, the U.S. Health Information Services Director.

This report is based on a survey of more than 6,000 U.N. and health-related organizations, including the U