True, however it makes sense if you look at the figure they provide, which shows airflow and infections: https://jkms.org/ViewImage.php?Type=F&aid=694440&id=F3

True, however it makes sense if you look at the figure they provide, which shows airflow and infections: https://jkms.org/ViewImage.php?Type=F&aid=694440&id=F3&afn=63_JKMS_35_46_e415&fn=jkms-35-e415-g003_0063JKMS https://jkms.org/ViewImage.php?Type=F&aid=694440&id=F3&afn=6... If it were contact based, this would mean that at least one other in the restaurant must have contracted it that was outside of the airflow path. Since this not the case, the most likely thing is that transmission was with the airflow. Why is it that you are so certain about this being surface based transmission?