Recruiting hospitalized Mexican American elder adults and caregivers: challenges and strategies.

Minority group members' participation in clinical research is essential for eliminating health disparities. Early recruitment procedures for a randomized control trial involving minority elder adults at local hospitals were unsuccessful, with challenges at the hospital and individual levels. These challenges included referrals for home health care being written late during hospitalization, hospital staff being reluctant to assist recruiters, ill minority elder adults, and protective or unavailable caregivers.

The metal efflux island of Legionella pneumophila is not required for survival in macrophages and amoebas.

Legionella pneumophila is an intracellular pathogen causing pneumonia-like disease in humans. A 43-kb putative heavy metal efflux gene island was found on the L. pneumophila genome.