This was exactly my feeling -- I said to myself that I won't be in a hurry to do this again, the experience was so unpleasant. I mean I'm sure I will, it was just a spur of the moment over-reaction on my part, but I'm also sure I will do it somewhat less enthusiastically.
This is because the virus in Japan has mysteriously self destructed. I found an article about it and posted here last week. I believe the consensus of informed opinion is that doesn't have anything to do with masks and that sort of thing - hence the mysyery.