The US government may also purchase an additional 200 million doses of the vaccine, Ad26.COV2.S, under a subsequent agreement, the company said on Wednesday.
"We greatly appreciate the US government's confidence in, and support for, our R&D platform and efforts and the scalability of our vaccine technology," Paul Stoffels, Chief Scientific Officer at
"We are scaling up production in the US and worldwide to deliver a SARS-CoV-2 vaccine for emergency use," Stoffels said.
Based on the positive preclinical data recently published in the peer reviewed journal Nature,
The company is evaluating one- and two-dose regimens, in its clinical programme.
Johnson & Johnson said it aims to meet its goal to supply more than one billion doses globally through the course of 2021, provided the vaccine is safe and effective.
J&J's Covid-19 vaccine programme is leveraging
It is planning to start a Phase-3 clinical trial of its Covid-19 vaccine ahead of its original schedule, potentially in late September.
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