The daily business briefing: September 24, 2020

J&J starts phase 3 trial of single-shot coronavirus vaccine, Newsom orders all cars sold in California to be zero-emission by 2035, and more

A Johnson & Johnson sign
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1. Johnson & Johnson starts phase 3 trial of single-shot coronavirus vaccine

Johnson & Johnson announced on Wednesday it has launched the third and final phase of trials for its coronavirus vaccine candidate. Johnson & Johnson's drug is the fourth vaccine candidate to start phase 3 trials in the United States, but the first that would be administered in a single injection. Experts said a vaccine requiring just one dose would prove advantageous when it comes to getting it out to as many people as possible quickly. Johnson & Johnson CEO Alex Gorsky called the new trial stage, which will involve up to 60,000 participants, a "pivotal milestone." The company said that if the vaccine proves to be safe and effective, it's expecting that "the first batches" could be "available for emergency use authorization in early 2021."

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Harold Maass, The Week US

Harold Maass is a contributing editor at The Week. He has been writing for The Week since the 2001 debut of the U.S. print edition and served as editor of TheWeek.com when it launched in 2008. Harold started his career as a newspaper reporter in South Florida and Haiti. He has previously worked for a variety of news outlets, including The Miami Herald, ABC News and Fox News, and for several years wrote a daily roundup of financial news for The Week and Yahoo Finance.