The deadly coronavirus that causes Middle East respiratory syndrome, or MERS, is passed easily among hospital patients and spreads to other health care facilities when a patient is transferred, according to a study published in the New England Journal of Medicine. An international group of scientists conducted the study in several hospitals in Saudi Arabia, where MERS has infected dozens of people and caused more than 30 deaths. Researchers "saw that one infected patient had been in the hospital at the same time as another infected patient, and this patient was transferred to another hospital, where another patient became infected shortly thereafter," said Trish Perl of the Johns Hopkins University School of Medicine.

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