hospital superbug signs

antibiotic arrow aureus background bacteria black blue bug cases caution cleanliness clostridium colonised communicable condition contagious diagnosed diff difficile directions disinfect disinfection dose entry fatal government gut health healthcare hospital hygiene hygienic illustration infectious info information intestines isolated limitation medical methicillin mrsa nhs patient physical pointing pole post prohibit prohibition public red resistant road services sick sign signage spread staff staphylococcus sterile stomach super superbug symbol symptoms times traffic treatment unwell waiting wellness white