How long does the vaccinations effect last?
A few months after the second dose, protection against symptomatic covid 19 disease decreases to a greater or lesser extent depending on the vaccine. The percentages do not accurately represent the effectiveness of the vaccines; they also depend on possible differences in the behaviour of vaccinated and unvaccinated people. Our questions are: How long does the vaccinations effect last. What are the differences between vaccines? What do the study results show? The specifications for outcome of project The specifications for outcome of project The specifications for outcome of project The specifications for outcome of project The specifications…
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November 20, 2021
