Posts Tagged: vaccine


What Does a 95% Effective Vaccine Really Mean?

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Covid-19, March 2021


A year ago, I wrote:

“Good news:
+ The mortality rate of Covid-19 is 5 times lower than that of SARS
+ For most people it is no worse than a common flu
+ It seems like only the elderly and especially those who suffer from a previous health condition is at risk
+ The virus is only spreading after a person has become ill and not during the incubation period

Bad news:
– No one is immune to the virus (Of course – because, this is what the main problem is)
– A vaccine will take at least a year to develop”

Well, a year later we have learned a lot. Some “bad news” turned out not to be as bad as we feared. For instance, the vaccin took less than a year to develop. But other things have had to be added to the list. We have learned that not “only the elderly and especially those who suffer from a previous health condition is at risk”, although those are most at risk, of course. Most notable in my view, howevere: Long Covid. I have had Covid but “no worse than a common flu” and without any lingering problem. For that I am very grateful.

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The Covid-19 mRNA vaccine (David Goodsell)

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