San Francisco will become the first city in the nation to announce plans to have children 5 and up show proof of vaccination in certain indoor settings. The decision comes after the Centers for Disease Control and Prevention recommended Pfizer’s Covid-19 vaccine for ages 5-11. According to NBC, the rule will apply in gyms, restaurants, and sporting events. San Francisco Health Officer Susan Philip said the city will give adequate time for children to be vaccinated before implementing the rule. "That will happen no sooner than about eight weeks after the vaccine is available to kids,” she said. “So, there...