[CodesInChaos]

I think the most important advantage of vaccines is that you get them (J&J aside) twice, which helps build long term protection. Which is why it's recommended to get a single dose of a vaccine if you caught covid, bringing you up to two exposures as well.

[nradov]

Vaccine manufacturers are stating that people should probably get a third dose as an additional booster.

https://www.nbcnewyork.com/news/coronavirus/moderna-says-a-3...

[CodesInChaos]

Feels a lot like learning through spaced repetition