Worries over new variants hang in the air as states continue to ease COVID-19 restrictions while President Biden is set to launch a new campaign focused on battling vaccine hesitancy. LEARN MORE: Why America should help vaccinate the world against COVID-19: 'This is not charity': https://abcn.ws/2NxtsAo Subscribe to GMA's YouTube page: https://bit.ly/2Zq0dU5 Visit GMA's homepage: https://www.goodmorningamerica.com #COVID19 #COVIDVaccine #GMA