Companies have new variables to consider including evidence that the effectiveness of vaccines, while still strong, may be waning and burned-out workers who are vaccinated at varying rates
A health care worker prepares a dose of Pfizer’s COVID-19 vaccine in Miami, Aug. 5, 2021. The New York Times compiled a list of when large companies expect to have employees back at their desks and what their vaccine requirements will be. (Saul Martinez/The New York Times).
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