Starting Monday, one will only take walk-ins while the other will operate by appointment-only.

Up to 60 pharmacies are offering the appointment-only tests to certain asymptomatic individuals, such as those with loved ones in long-term care homes, close contacts of a case or high-risk workers.

'Londoners simply need more options. Our two primary assessment centres are regularly at capacity within a few hours of opening.'

In the meantime, the team is hoping to improve 'lineup management.'