Ceftobiprole is a very active new cephalosporin on staphylococci resistant to methicillin (SEMR: Staphylococcus epidermidis Resistant to Meticillin, SAMR: Staphylococcus aureus Resistant to Meticillin) and / or vancomycin; it is also very active on pneumococci resistant to penicillin and / or 3rd generation cephalosporins. This new drug has AMM in nosocomial respiratory infections, Animal work shows the efficacy of ceftobiprole in gram negative bacillus meningeal infections.