Drug-resistant bacteria are one of the biggest concerns of modern medical science, posing a serious health threat, especially for vulnerable people like seniors. But according to a new study out of Columbia University School of Nursing, many nursing homes are rife with drug-resistant strains of bacteria, such as E. coli. Drug-Resistant Bacteria Found in 38% of US Nursing Home Residents Based on data from several independent studies around the world, the researchers found that more than a quarter of nursing home residents were carriers of drug-resistant bacteria. The researchers found that this number was even higher in America, with nearly 40%