A 53-year-old man from Adelaide has died from meningococcal disease, South Australian health authorities have confirmed.
The man had suffered from the serogroup B strain of the disease, SA Health said in a statement this afternoon.
Multiple people were in contact with the man prior to his death on Saturday, and four people have been told to take antibiotics as a precaution.
There have been 18 cases of meningococcal disease reported in the state this year, compared to the 13 cases reported at the same time in 2016.
For more information about the signs and symptoms of meningococcal click here.