President Biden says more vaccines are on the way, thanks to a new agreement to speed up deliveries and a purchase by his administration of $200 million more doses. But as NBC Bay Area’s Sergio Quintana reports, it comes as some mass vaccination sites across the state have to pause their programs due to a lack of shots. Stay connected: Follow us on Twitter: http://www.twitter.com/nbcbayarea Like us on Facebook: http://www.facebook.com/nbcbayarea Follow us on Instagram: http://www.instagram.com/nbcbayarea Add us on Snapchat @NBCBayArea Catch up on all the day's news: http://www.nbcbayarea.com Download our app: On iOS: http://nbcbay.com/R1BhqYM On Android: http://nbcbay.com/rUcA97h