@mgordonaz @JeromeAdamsMD You would have no way to know about superspreader events involving air travel, since there is no effective contact tracing in the US. Other countries have documented them.
https://paxex.aero/researchers...
@mgordonaz@JeromeAdamsMD由于美国没有有效的联系人追踪，你将无法了解涉及航空旅行的超级传播者事件。其他国家也有记录。
https://paxex.aero/researchers...