Sept. 27, 2021, 7:09 p.m.
(BBC News) Twins Evan and Lizzy are enrolled in Pfizer's vaccine trial for children between ages five and 11.
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Sept. 27, 2021, 7:09 p.m.
(BBC News) Twins Evan and Lizzy are enrolled in Pfizer's vaccine trial for children between ages five and 11.
Login to grade this article.