@LazarusLong13 @whca Gridiron had no testing requirement, WHCD did. Not perfect, but it would filter out some infectious and reduce the amount of spread at the event (though not at surrounding events).
@LazarusLong13@whca Gridinor没有测试要求，WHCD有。这并不完美，但它会过滤掉一些传染性疾病，并减少在活动中的传播量（尽管不会在周边活动中传播）。