WASHINGTON: The United States has doubled its investment -- to nearly US$1 billion -- to expedite development of a potential Covid-19 vaccine by American firm Moderna, which on Monday begins the decisive final phase of clinical trials.
The government now plans to spend up to $472 million on top of the previously announced $483 million, the Moderna biotechnology company announced Sunday.
Moderna said the added investment was justified by its decision, in conjunction with the government, to "significantly" expand a Phase Three clinical trial of a candidate vaccine to include 30,000 participants.
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