Some of the differences in police uptake of the vaccine reflect differences between the communities they serve. Hawaii, where 80 percent of officers in Honolulu have received at least one dose, has administered multiple doses per day. Inhabitant than all but four states, and Democratic Gov. David Ige has gone ahead with plans for certifications known as vaccine passports, a cousin of vaccine mandates. A larger proportion of Denver County residents are vaccinated than in, say, Clark County, which includes Las Vegas, or Fulton County, which includes Atlanta.