I have to admit, I got an email with the new post and responded here without noticing that the new post was reviving an old thread.
That said, it is important to remember that the attributes of a population can't be applied to the individual members of that population. The fact that the population of people over 50 has more people in it who have died of covid does not mean every individual over 50 is more at risk of dying of covid. It likely just means there are more people in frail health in that age group. I would not be doing a lot of public contact activities of any kind if you aren't in good health, regardless of your age.
As one doctor explained it, "covid is an accelerator, it makes whatever would have killed you kill you sooner." I am not sure that is entirely accurate, but it fits with the CDC finding that only about 6% of the death certificates that name Covid as the cause of death listed Covid as the only cause. And there are a lot of people who were not in frail health to begin with, but who are now after fighting off the disease. Its not clear how long any immunity they may have will last.
Which may complicate the travel issue. The vaccine makes you immune to the disease, but not the virus. It just makes your immune system more effective at fighting it off, reducing the symptoms. But it is not clear that you won't still be contagious to others while you are fighting it off. That hasn't been determined. So those of us who choose to travel, regardless of mode, need to be very careful to avoid exposure even once we are fully immunized.
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