At the Las Vegas Metropolitan Police Department, just 39 percent of employees have gotten at least one dose, officials said, compared to more than 50 percent of eligible adults nationwide. In Atlanta, 36 percent of sworn officers have been vaccinated. And a mere 28 percent of those employed by the Columbus Division of Police — Ohio’s largest police department — report having received a shot. “I think it’s unacceptable,” Joe Lombardo, the head of Las Vegas police and sheriff of Clark County, said of the meager demand for the shots within his force. The numbers paint a troubling picture of policing and public health. Because officers have high rates of diabetes, heart disease and other conditions, their hesitancy puts them at greater risk of serious illness from the coronavirus while also undermining force readiness, experts said. Police officers were more likely to die of covid-19 last year than of all other causes combined, according to data compiled by the National Law Enforcement Officers Memorial Fund.