Covid-19 roundup: Pfizer, BioNTech's Omicron-specific shot delayed as surge wanes, while Moderna eyes August rollout
A slower-than-expected data gathering process is delaying Pfizer and BioNTech’s efforts to deliver an Omicron-specific Covid-19 vaccine, BioNTech CEO Uğur Şahin told Germany’s Bild, per …
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