Scientists in Hong Kong have reported the first confirmed case of reinfection with COVID-19, reportedly backed up by genetic sequences of the two episodes of the 33-year-old man’s infections in March and in August 2020.

Naturally people are worried what this could mean for our chances of resolving the pandemic.

Here’s why they shouldn’t worry.

Nearly nine months after the first infection with the novel coronavirus, we have very poor evidence for reinfection.