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Researchers urge delay in administering Pfizer vaccine's second dose, cite strong data

Please enable JavaScript to read this content. Vials labelled "COVID-19 Coronavirus Vaccine" and a syringe are seen in front of the Pfizer logo. [Reuters] Researchers ...
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Pair of Canadian researchers urge governments to hold off on second Pfizer dose

CHICAGO (WGN) — A pair of researchers from Canada are urging governments to hold off on the second dose of the Pfizer vaccine. CTV News reports Danuta Skowronski and Gaston De Serres said data shows ...