two-thirds of all eligible americans are now fully vaccinated. covid-related deaths are trending down. cases and hospitalizations falling to nearly three-month lows. but health officials are still expressing concerns over the danger of failing to vaccinate more people. >> there's always the danger that there will be enough circulating virus that you can have a stalling of the diminishing of the number of cases. and when that happens, there's the danger of resurgence. >> reporter: and jake, we're now learning that more than one-third of chicago's police officers have defied the city's mandate failing to report their vaccination status. before there are any firings, the city will take a series of steps including the possibility of no-pay status for those 4500 officers. for those who did report their vaccine status, the majority are vaccinated. those who aren't will have to submit to twice weekly testing. >> alexandra field, thank you. coming up next -- ahmaud arbery's mother reacts to the jury selection in the trial of