“He’s got a pass!” said the dad sitting across from me at the airport in Bismarck, North Dakota, where we were both stranded due to flight delays. He gestured to his 5-year-old son. “Had a slight fever and tested positive for COVID. We had to keep him home from school for a couple weeks. Then, he tested negative and was good to go. I got the vaccine. My wife did, too. But he can travel anywhere without any testing, and there’s no vaccine for his age anyway.” In Germany Natural Immunity Counts Since the beginning of July in Germany, where that family lives, if you can demonstrate proof of being COVID-recovered and then have a subsequent negative COVID test, you are considered immune. For six months anyway, according to the German government. But in the United States, where my family lives, even those who are COVID-recovered (and show high protection …