Pneumonia is a serious lung infection that causes difficulty breathing, fever, cough and fatigue. What You Need to KnowThe graph shows how Sentara hospitals perform overall for some of the recommended treatments for pneumonia. Higher percentages are better Compare to U.S. Average or Top 10 percent in U.S. Small differences in numbers or percentages may not be significant due to differences in total patient volumes between hospitalsThe quality measures above are part of a national initiative by the United States Department of Health and Human Services and other organizations. See these measures for other hospitals by going to HospitalCompare. * Comparison Source: U.S. Department of Health and Human Services.