Popular bars and restaurants in San Francisco say the city’s new “prove you’re vaccinated” mandate could have an extra consequence — longer lines to get a table. The new rules are adding to the restaurant workers’ workload, at a time when the entire industry is already dealing with a labor shortage. Melissa Colorado reports. 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