True about the swimming. Especially Ocean swimming. I live in a beach town and it's summer, so the population at least triples during this time. This past weekend the first aid siren in town went off more times than it normally does in about a two week period. Not sure about Occam's razor in this situation, but unless many more people are physically unfit and out of shape, this increase makes no sense. Of course the big difference is the number of vaxxed people visiting here.