For years, higher education was considered immune from the problems plaguing the lower levels of American education.

Generally, a person with a positive medical history of varicella infection can be considered immune.

Even the most famous hotels, once considered immune to recession, are reporting occupancy rates of 50 percent or less and laying off workers.

Until recently, the so-called new economy was considered largely immune to higher interest rates.

No part of Afghanistan should be considered immune from violence and the potential exists throughout the country for hostile acts.

The person is then considered immune to chickenpox.

As a general rule, adults born before 1957 are considered immune...

Scientists carrying out the research concluded that no child born into the modern world can be considered immune from the effects of low-level lead exposure.

Adults born before 1957 can be considered immune to measles and mumps.

The list included some agencies, like the Department of Correction, that had generally been considered immune to budget pressures.