New Warnings Labor Day Crowds Could Worsen COVID-19 Surge

<p>New warnings Labor day crowds worsen COVID-19 surge; United States helps 4 Americans escape Afghanistan by crossing border; video shows failed rescue of 2-year-old and parents from flooded basement 7-day average of new COVID-19 cases up 300% sine last Labor day; Fauci: Pfizer booster likely ready by September 20 roll out: Monderna boosters may be delayed; Fauci: Three vaccine doses likely needed for full protection;</p><p>To learn more about how CNN protects listener privacy, visit cnn.com/privacy</p>