this post was submitted on 20 Feb 2026
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[–] boydster@sh.itjust.works 48 points 1 week ago* (last edited 1 week ago) (15 children)

The approach described in the journal Science does not train the immune system. Instead it mimics the way immune cells communicate with each other.

It is given as a nasal spray and leaves white blood cells in our lungs – called macrophages – on "amber alert" and ready to jump into action no matter what infection tries to get in.

The effect lasted for around three months in animal experiments.

[–] Semi_Hemi_Demigod@lemmy.world 21 points 1 week ago (3 children)

I’d be really worried about autoimmune reactions. I swear there’s been a few Trek episodes where some kind of universal vaccine has unintended consequences.

[–] Regna@lemmy.world 5 points 1 week ago* (last edited 1 week ago) (1 children)

Same. Every major corona infection I suffered has set off my immune system for months, leading to debilitating nerve and joint pain. Even some vaccinations trigger this, but with shorter and way less symptoms, modern vaccines are way better than what they prevent. So I have high hopes.

[–] Semi_Hemi_Demigod@lemmy.world 5 points 1 week ago

I get a light version of the flu for about a day after getting the flu vaccine despite everyone saying the vaccine doesn’t give me the flu. Low fever, achy joints, tiredness, sometimes even congestion.

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