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Pfizer CEO Albert Bourla said vaccine approvals are tougher as Health Secretary Robert F. Kennedy Jr. moves to revamp U.S. immunization policies https://t.co/WLmTJpKz4g ...
Pfizer CEO Albert Bourla said vaccine approvals are tougher as Health Secretary Robert F. Kennedy Jr. moves to revamp U.S. immunization policies https://t.co/WLmTJpKz4g ...