Hospital readmission rates for elderly black patients are greater than those of white patients, according to a new study.

A review by scientists found that of the near 90 million doses of H1N1 flu vaccine administered in 2009-2010 in China, no pattern of serious side effects has emerged.

When there is an outbreak of flu or other epidemics, selective school closures are considered one way to reduce the number of cases. However, new research shows that this limited tactic may be ineffective.

During both the 2009 H1N1 flu epidemic and the whooping cough outbreak in California, elderly Hispanics had high rates of infection. New research suggests this might be due to low vaccination rates and language.

Tuberculosis (TB) affects one third of the world's population. In some, the disease is latent, meaning it is inactive and non-contagious.

The incidence of pulmonary fungal infections is on the rise. In response, the American Thoracic Society (ATS) has issued a new clinical policy statement, replacing guidelines published in 1988, for the treatment of such infections.

Many Americans are not adequately protecting themselves against colds and flu this season. Are you? If not, find out how.