作者在他们的分析中考虑了避免的医疗费用，运输成本和生产率的提高，并估计

The authors considered avoided medical expenses, transportation costs, and productivity gains in their analysis, and estimated that the social and economic value of vaccines provided together was US$820 billion (US$2010) during the period 2001–2020. 10 During 2011–2020, the return on investment of these vaccines is estimated to be as high as 44 times the initial cost.

In their analysis, the authors considered avoided medical costs, transportation costs and productivity gains, and estimated the social and economic value of vaccines provided together at $820 billion ($2010) between 2001 and 2020. 10 Between 2011 and 2020, the return on investment of these vaccines is estimated to be as high as 44 times the initial cost.

In their analysis, the authors considered avoided medical costs, transportation costs, and increased productivity, and estimated that the social and economic value of the vaccine together would be $820 billion (2010 dollars) over the period 2001 – 2020. 10 over the period 2011 – 2020, the return on investment of these vaccines is estimated to be as high as 44 times the initial cost.<br>