Johnson and Johnson says 1-shot vaccine shows promising results in early trial

The company could apply for emergency authorization by the end of January. The U.S. hit another record day of COVID-19 deaths, with more than 4,300 reported in 24 hours.
1:44 | 01/14/21

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Transcript for Johnson and Johnson says 1-shot vaccine shows promising results in early trial
And we turn now to the pandemic. The deadliest 24 hours yet here in the U.S. 4,327 lives reported lost in just the last 24 hours. That's about one life lost every 20 seconds. And tonight, news of two more variants of the virus discovered right here in the U.S., in Ohio. Here's Stephanie Ramos. Reporter: Tonight, Johnson & Johnson says its one-shot vaccine is showing promising results in an early phase study. The company could apply for emergency authorization by the end of the month. In Ohio, scientists discovering two new variants that developed right here in the U.S. And officials say one strain spreading in the city of Columbus could be more contagious, but need more data We're not ready to overreact. We want to make sure we study these in the lab and get very good data. Reporter: Tonight, California now allowing anyone 65 and older to get the shot. This mass vaccination center opening today at disneyland. When I heard 65 I was really pretty happy. Reporter: In Massachusetts, this field hospital reopening for the second surge, filling up with patients. There's an entire hospital operation set up on this convention center for patient rows set up the route to treat more than 200 covid patients. Matthew Gadbois, a first responder, well enough to go home today. What were your thoughts about the virus before? Originally, I was skeptical. I didn't like wearing the mask and of course that's how I got it. Once you get to a certain point and it's hard to breathe, it's real scary. Reporter: And Dave, going back to those two new variants discovered in Ohio, scientists say they are not exactly sure if one is more transmissible than the other. It's just too early to call. David? We'll be tracking that in the weeks to come. Stephanie, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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