That is strange - because the numbers would be compatible with the Der Spiegel stats (from comment above: https://news.ycombinator.com/item?id=23888175 https://

That is strange - because the numbers would be compatible with the Der Spiegel stats (from comment above: https://news.ycombinator.com/item?id=23888175 https://news.ycombinator.com/item?id=23888175) if it was only about those who report the persistent symptoms. Also 10% sounds more plausible - if it was 50% of all diagnosed Covid survivors than for sure this would be reported earlier.