Data from 77 countries show that antibiotic resistance is making gonorrhoea – a common sexually-transmitted infection – much harder, and sometimes impossible, to treat.

"The bacteria that cause gonorrhoea are particularly smart. Every time we use a new class of antibiotics to treat the infection, the bacteria evolve to resist them," said Dr Teodora Wi, Medical Officer, Human Reproduction, at WHO.

WHO reports widespread resistance to older and cheaper antibiotics. Some countries – particularly high-income ones, where surveillance is best – are finding cases of the infection that are untreatable by all known antibiotics.

"These cases may just be the tip of the iceberg, since systems to diagnose and report untreatable infections are lacking in lower-income countries where gonorrhoea is actually more common," adds Dr Wi.

Each year, an estimated 78 million people are infected with gonorrhoea*. Gonorrhoea can infect the genitals, rectum, and throat. Complications of gonorrhoea disproportionally affect women, including pelvic inflammatory disease, ectopic pregnancy and infertility, as well as an increased risk of HIV.

Decreasing condom use, increased urbanization and travel, poor infection detection rates, and inadequate or failed treatment all contribute to this increase.

Monitoring drug resistance

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