@benny171a @lotzof_gas @activia513 @krtmd @jonathanchait No they weren't, they were bivalent or multivalent formulations studied in trials in 2021. They were never released.
@benny171a @lotzof_gas @activia513 @krtmd @jonathanchait 不，它们不是，它们是 2021 年在试验中研究的二价或多价配方。它们从未发布过。