Another case of an antibiotic-resistant bacteria has been confirmed on Prince Edward Island.

The outbreak of methicillin-resistant Staphylococcus aureus (MRSA) began last week at Charlottetown's Queen Elizabeth Hospital when five patients in unit 8 tested positive for the superbug.

The latest positive result brings the total number of cases in the affected unit to six.

All remaining patients in the unit tested negative.

The positive cases have been isolated to one wing of unit 8.

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