The super strain of the infection is on the rise with the World Health Organisation warning it may become even more resistant to antibiotics due to their overuse for Covid-19 There were more than 90 million cases of gonorrhoea worldwide last year with the number growing by 17% Azithromycin – a common antibiotic for treating respiratory infections – was used for Covid-19 treatment earlier in the epidemic. “During the pandemic, STI services have also been disrupted. This means more STI cases are not diagnosed properly with more people self-medicating as a result.