A6. Big problems for global herd immunity—even if US reaches wide coverage, b/c vaccines being hoarded by rich countries much of the world won’t. 70 countries will only be able to vaccinate 1 in 10 people this year. Without change this means continuing pandemic #AskReuters https://t.co/b0MPtZokZV https://t.co/tabj5bF7zC
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Q6. When do you estimate the United States will achieve herd immunity? What about globally? #AskReuters