J&J Privately Requested Rival Vaccine Makers to Probe Clot Dangers

Johnson & Johnson privately reached out to Covid-19 vaccine rivals to ask them to hitch an effort to check the dangers of blood clots and converse with one voice about security, however Pfizer Inc. and Moderna Inc. declined.

As issues mounted final week over uncommon circumstances of blood clots, J&J requested AstraZeneca PLC in addition to Pfizer and Moderna to hitch its efforts trying into the stories, individuals accustomed to the matter stated. J&J, by emails and telephone calls, additionally sought to construct an off-the-cuff alliance to speak the advantages and dangers of the pictures and handle any issues raised among the many public by the blood-clot circumstances, among the individuals stated.

Six girls who bought J&J’s vaccine developed clots, and one died, out of greater than seven million doses administered throughout the U.S., based on federal well being officers. The precise antagonistic occasion hasn’t been reported by individuals who acquired the Pfizer and Moderna pictures, the officers stated.

Pfizer and Moderna executives declined the provide, saying their vaccines appeared secure, the individuals stated. The pair additionally objected as a result of they didn’t see the necessity to duplicate the efforts of regulators and firms already in search of blood-clot circumstances and investigating the trigger, the individuals stated. One firm’s concern: The protection of the Pfizer and Moderna pictures might be tarnished by affiliation, among the individuals stated.

Solely AstraZeneca, which had been buffeted by comparable blood-clotting issues for weeks, agreed, the individuals stated.

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