A case of invasive meningococcal disease has been notified in a 19-year-old woman from metropolitan Adelaide, who is in a stable condition in hospital.
The strain has not yet been identified.
Multiple people who had close contact with the patient have been identified, and six people have been directed to receive clearance antibiotics.
Meningococcal health information has been distributed to contacts in accordance with the Invasive Meningococcal Disease Communicable Diseases Network Australia: National Guidelines for Public Health Units.
There have been 17 cases of invasive meningococcal disease reported in South Australia this year compared to 19 cases recorded at the same time last year.
Of the 17 cases, 11 have been serogroup B, three serogroup Y, two serogroup W and one awaiting further typing.
A total of 34 cases were reported in 2018; 27 were serogroup B, four were serogroup W and three were serogroup Y.
No links have been established between this case and other recent cases.