I was talking about this metro article
with Annika on Sunday, and thought to post it here.
For the record, I don't think that anyone in the US follows the idea that having a sniffle or cough means no training... which is why I was so surprised to find out that pretty much everyone in Sweden follows the rule.
Heart inflammation is scary, but I am surprised that I haven't heard anything about this except anecdotal reports from Swedes. Perhaps the northern climate is an especially risky one for cardiotropic viruses?