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Social media has become an important way for institutions to communicate - both sending messages and receiving feedback - with clients and with the general public. Hospitals and other healthcare organizations use social media for a variety of purposes, but there has been little investigation of whether hospitals ratings that patients and other consumers submit via social media accurately reflect patient satisfaction or the quality of care delivered. A new study published online in the Journal of General Internal Medicine finds a correlation between how hospitals are rated on Facebook's five-star system and how well they performed on a widely used measure of quality care.

They're alive thanks to the most advanced care modern hospitals can provide. But for survivors of sepsis, the hospital door often looks like a revolving one, a new study shows. And many of the conditions that send them back to a hospital bed should be preventable.

Imagine a single drug that could prevent human immunodeficiency virus (HIV) infection, treat patients who have already contracted HIV, and even remove all the dormant copies of the virus from those with the more advanced disease. It sounds like science fiction, but Salk scientists have gotten one step closer to creating such a drug by customizing a powerful defense system used by many bacteria and training this scissor-like machinery to recognize the HIV virus.