@therealrthorat @StuartMill1776 @TrumpUndead @jonathanchait It was the data available at the time. When new data was available, the statements changed, the mask recommendation was reinstated, and boosters were made available and recommended.
@therealrthorat @StuartMill1776 @TrumpUndead @jonathanchait 这是当时可用的数据。当新数据可用时，声明发生了变化，恢复了口罩推荐，并且提供并推荐了助推器。