Self-tutoring about COVID regulations: the tutor observes…. I haven’t worn a mask because of COVID for weeks. Yesterday, at the international port, we had to wear masks. That came as no surprise: my understanding is that, in federal transport zones, …
Self-tutoring about the Covid vaccine: the tutor mentions his experience. I was late to the party getting vaccinated, but eventually did, back in October. Before I knew it, the time for my second dose arrived: I went in on Saturday. …
Self-tutoring about health terminology: the tutor mentions the concept of escape mutation. An escape mutation is a difference to a virus that allows it to “escape” the effect of antibodies expected to work against it. The escape mutation may be …
Self-tutoring about Covid: the tutor mentions some basic numbers. On Earth, about 2.8% of the population has gotten Covid, and about 2.1% of those who got it died from it. On Earth, about 3 in 5000 people have died of …