The hopes of a single vaccine ridding the world of COVID-19 have been dashed with genome sequencing confirming that a Hong Kong resident has been been infected by two different strains.
The 33-year-old IT worker had initially contracted the coronavirus during the first wave, and subsequently recovered in April. He then tested positive again in August, after travelling through Spain and the UK.
It is the first confirmed case of a COVID-19 patient contracting the virus for a second time, as previous claims of reinfection have been traced back to the initial illness or have not been scientifically proven:
