You will be given a definition of a task first, then some input of the task.
Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.

Abstract: Enhanced clinical awareness of infective endocarditis, along with improved microbiologic methodology and more aggressive surgical intervention, has favorably influenced the outcome of the disease. The evolving nature of infective endocarditis over the past decade is described, as are the changing epidemiologic factors, microbiologic techniques, and echocardiographic contributions in the clinical management of patients with infective endocarditis.
Output:
Infective endocarditis: a challenging disease.