An inhaled Covid vaccine booster was more than 5-fold effective for inducing neutralizing antibodies at 28-days, and more durable at 1-year, than shots, vs Omicron BA.5 in a randomized trial
https://thelancet.com/journals/laninf/article/PIIS1473-3099(23)00350-X/fulltext

@erictopol

Nice! Bet it comes without the killer arm pain, too.

@erikalyn @erictopol That’s highly individual, not a generalization.

@lzvolk

Yes, of course, as all side effects are. I get every available shot anyway. This was just me getting excited about some promising results for an option that wouldn't involve a shot in the arm.