Vancomycin Intermediate Staphylococcus aureus (VISA) 
and Vancomycin Resistant Staphylococcus aureus (VRSA)

There have been several reports of Staphylococcus aureus (S. aureus) bacteria that are resistant to the antibiotic vancomycin. Vancomycin is an antibiotic to which most S. aureus bacteria are susceptible and is used to treat many serious bacterial infections that are resistant to other antibiotics.

To date, all vancomycin resistant Staphylococcus aureus (VRSA) bacteria have been susceptible to other antibiotics.

• CDC: VISA/VRSA - Vancomycin-Intermediate/Resistant Staphylococcus aureus
  VISA and VRSA fact sheet from the CDC. 
   
• As VISA and VRSA are types of Staphylococcus aureus infection. The transmission, signs and symptoms of infection, duration of illness, complications and diagnosis are the same as for Staphylococcus aureus.
  • Causes and Symptoms of Staphylococcus aureus
    Staphylococcus aureus facts, including how S. aureus is spread, common symptoms and complications.
• VISA and VRSA Information for Health Professionals 
  Information for laboratories, clinical features, references, and required reporting information.

see also>> Staphylococcus aureus