re: Biden White House in talks with airlines on vaccine passports; will issue guidance

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40 to 45 times more than masks do.


So 12%?

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Studies have provided evidence that mask usage potential may reduce the spread of covid to cause a 2% decline in the number of cases being severe enough to require hospitalization. Studies have shown that vaccination reduces the spread of covid enough to cause 80% to 90% decrease in the number of cases being severe enough to require hospitalization.