20 мая 2020
MRNA https://seekingalpha.com/article/4348919-first-results-from-modernas-coronavirus-vaccine -- The good news there is that every participant at every dose level began producing antibodies (in other words, they "seroconverted) by day 15 after the first injection. -- Всем, кому вкололи разные дозы -- у всех появились антитела.