COVID becomes a cold: “patterns indicate that new strains are relatively more capable of overcoming our immune responses, but the infection outcomes are more mild”

https://www.statnews.com/2026/04/27/is-covid-still-a-thing-expert-analysis-who-needs-vaccine-booster-shot/

Immunity + virus evolution + non-exposed vulnerable are dead. Annual booster uncertain value.

Open question: do all coronaviruses cause a degree of vascular brain injury? How does that accumulate over a lifespan?