Meningococcal disease serious, but still rare Meningococcal disease is a disease caused by a bacterium, the meningococcus. There are several types of this bacterium. In most cases, it does not make you ill.
More gonorrhoea, syphilis and chlamydia at Dutch STI clinics An increasing number of clients tested at a Dutch STI clinic for a sexually transmitted infection (STI) is diagnosed with gonorrhoea, syphilis and chlamydia.