Roughly one-fifth of Americans were initially hesitant about or squarely against getting the Covid-19 vaccine but have since gotten their shots, according to polling released Tuesday by the Kaiser Family Foundation. … A quarter who'd gotten the vaccine after initial hesitation said they had been reassured to see other people getting vaccinated without ill effects. Many mentioned their families and friends getting the shot … Others who eventually decided to get the vaccine cited pressure from family and friends (8%) or a desire to visit loved ones safely (3%). … Reassurance and recommendations from doctors and health care providers also played a role (11%).