'Sex superbug': Concerns over spread of highly resistant gonorrhoea strain found in Australia

There is mounting evidence that some antibiotics are useless against the STI

A “sex superbug” has put doctors in Australia and New Zealand on high alert amid mounting evidence that antibiotics used to treat the infection are no longer working.

The most highly resistant strain of gonorrhoea ever detected in Australia was recently found in a tourist from central Europe who contracted the STI in Sydney.

Australia’s Health Department said a new multidrug resistant type of gonococcal bacteria, dubbed A8806, was identified with similarities to an untreatable strain of gonorrhoea known as H041.

It was first discovered in Japan in 2009, when a 31-year-old sex worker who had no symptoms of the disease tested positive in a routine check-up in Kyoto and could not be treated with the commonly-used ceftriaxone.

There have also been reports of a resilient strain in Hawaii in May 2011, as well as in California and Norway.

The Australian Health Department has urged GPs to refer all cases of gonorrhoea, known as “the clap”, for culture testing and New Zealand health clinics are on a high state of alert.

Electron micrograph of Neisseria gonorrhoeae, the aerobic Gram-negative bacterium responsible for the Sexually transmitted infection Electron micrograph of Neisseria gonorrhoeae, the bacterium responsible for the sexually transmitted infection The capacity of the gonorrhoea bacterium to develop antibiotic resistance is well known, the New Zealand Sexual Health Society said, and many of the antibiotics used in the past 70 years no longer provide effective treatment.

“Gonorrhoea infection can result in severe complications,” the president, Dr Edward Coughlan, said.

“This is a major public health concern.”

The latest figures from Public Health England showed new diagnoses in England jumped by 21 per cent to 25,525 cases in 2012, following another huge rise in 2011.

The agency said a switch in prescribing guidelines had been effective targeting more resilient strains but urged continued vigilance.

Gonorrhoea is easily transmitted by unprotected oral or penetrative sex and the bacteria can infect the throat and eyes as well as sexual organs.

Typical symptoms of gonorrhoea include a thick green or yellow discharge from the vagina or penis, pain when urinating and bleeding in women but many infected people have no symptoms, according to the NHS.

If left untreated, it can lead to infertility, ectopic pregnancy, fever, rashes and arthritis-like symptoms and complications can cause joint and heart infections, as well as meningitis.

Read more: Diagnoses of gonorrhoea rise by 'unprecedented' 25 per cent
Gonorrhea cases soar as STI gets more resistant to treatment
Gonorrhoea drug 'no longer works'
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