We sure went quickly from "it's just another seasonal respiratory virus like flu and colds" to "several surges per year are to be expected as immunity wanes and immune-escaping variants evolve".
Reminder 1: that waning, escaped immunity is what is currently keeping severity low.
Reminder 1: that waning, escaped immunity is what is currently keeping severity low.
Reminder 2: Vaccines become outdated as new variants evolve, and there is no effort to be predictive with updated vaccines. They're generally already behind variant evolution before they even roll out. We could do better than this.
Reminder 3: "Hybrid immunity" is why severity is low, not the virus becoming more benign. That immunity has to be maintained by updated vaccination or infection. If vaccine uptake is low and/or they're only available to "the vulnerable", then most immunity will be by infection.
Reminder 4: 
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