@JackTors11245 @maiamajumder Nobody had flus during most of covid because all the covid mitigations eliminated it (one strain might have even been fully eradicated from the earth). Hard to say that's specifically masking, but probably contributed.
@JackTors11245 @maiamajumder 在 covid 的大部分时间里没有人患过流感，因为所有的 covid 缓解措施都消除了它（一种菌株甚至可能已经从地球上完全根除）。很难说这是专门掩盖的，但可能有所贡献。