We're also learning how well the vaccine works in preventing people who are vaccinated from spreading COVID-19 to others and how well it works on coronavirus variants, which are known to be circulating in King County.
Waxaan sidoo kale baraneynaa sida uu talaalku uga shaqeynayo ka hortagga dadka la tallaalay in eeysan ku faafinin dadka kale COVID-19 iyo sida uu wax uga qabto noocyada kala duwan ee coronavirus, kuwaas oo la ogyahay in ay ku wareegayaan King County.