Next time you think of dismissing COVID as just another annoying common cold it may pay to visualise what you see so starkly in this paper, the virus moving freely around your body and finding a long-term home in all sorts of places where it can really cause trouble, including the brain and the heart.

This work further emphasises the need for individuals, and societies as a whole to take this infection more seriously and try and reduce the amount of transmission using the tools we currently have, most especially vaccination, clean indoor air approaches and well-fitted masks in crowded and poorly ventilated indoor settings.