1. Mark Andersen Mark Andersen Philippines says:

    the author states "Natural immunity was estimated to be about 13 times stronger than having two doses of the Pfizer-BioNTech vaccine."

    The choice of the word ESTIMATED is rather poor as it suggests rather poor reliability.

    The researchers used well-established statistical methods and CALCULATED the difference in immunity and found natural immunity to be 13.06 times more effective and the result had a CI of 95% indicating a very high degree of probability that the statement is true.

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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