Moderna seeks FDA approval to vaccinate kids 12-17; J&J vaccine has longer shelf life; Pfizer donates 500M doses: Live COVID-19 updates

Moderna seeks FDA approval to vaccinate kids 12-17; J&J vaccine has longer shelf life; Pfizer donates 500M doses: Live COVID-19 updates

Moderna said it has requested an "emergency use authorization" to vaccinate kids as young as 12. Latest COVID-19 news.