... moxifloxacin (in 19 patients), linezolid (in 14 patients), ampicilline-sulbactam (in 13 patients), clar-ithromycin (in 13 patients), piperacillin-tazobactam (in 12 patients), imipenem (in 11 patients), ... admissions and one in five requiring critical care (6). Pandemic Influenza A (H1N1) virus infection is the first pandemic in which intensive care units (ICU) play a fundamental role. During the pandemic, ... failure from swine-origin influenza A (H1N1) in Mexico. N Engl J Med 2009; 361:680–89. 2. Dawood FS, Jain S, Finelli L, et al. Emergence of a novel swine-origin influenza A (H1N1) virus in humans....