They said methicillin-resistant Staphylococcus aureus, or MRSA, is beginning to appear outside hospitals in San Francisco, Boston, New York and Los Angeles.

• 他们说，在圣弗朗西斯科、波士顿、纽约和洛杉矶耐甲氧西林金黄色葡萄球菌（MRSA）已经扩散到医院外。