Moderna announces new and improved COVID booster

Moderna announces new and improved COVID booster

Moderna’s new COVID-19 booster shot can target multiple variants, as confusion grows over mask rules after the federal mask mandate was struck down. WATCH the ABC News Livestream: https://bit.ly/3rzBHum SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP WATCH MORE on http://abcnews.go.com/ LIKE ABC…

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