Have I dodged Covid and what does it mean?

Have I dodged Covid and what does it mean? I hope this vial of blood contains answers because I have a nagging question - have I managed to dodge Covid?

It seems remarkable that anyone could. The virus has swept the world since it emerged in China nearly three years ago. Fresh variants have become better and better at infecting us. Even vaccines make Covid milder rather than being an impenetrable shield. BBC News

See also:

• The R value and growth rate UK Health Security Agency
• AstraZeneca finally abandons plan to get Covid shot approved in the US The Daily Mail
• Study finds COVID-19 vaccine confidence declined since pandemic Hospital Healthcare Europe
• What is Pi? Covid’s next potential variant that could replace Omicron The Independent