[pinkorchid]

The Moderna booster is actually a half dose, although I don't know if it tends to have stronger side effects than the first two full doses.

Source: https://www.fda.gov/news-events/press-announcements/coronavi...

[newsbinator]

It's half the giant Moderna dose (100 mcg / 2 = 50 mcg), and 60% more than the standard/booster Pfizer dose (30 mcg).