yes mrsa is a skin bacteria that can be passed in many ways. while sharing needles may not be the main source of contagiousness it can certainly happen. for mrsa just skin to skin contact is sufficient to transfer the bacteria to another. many drug abusers have poor levels of hygiene and are prone to a variety of skin infections. sharing needles puts the user at risk for many diseases from hepatitis to hiv. this should never be done.
can mrsa be passed through needles in a drug user?