Impossible to stop if so. We'll all have to generate immunity.
There is some suggestion you can get it twice which implies immunity isn't going to happen.
@deleted started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Impossible to stop if so. We'll all have to generate immunity.