Unvaccinated Missourians fuel COVID: 'We will be the canary'

Unvaccinated Missourians fuel COVID: 'We will be the canary': As immunizations slow, the delta variant has become the predominant form of the virus in the region. Aaron Schekorra, a spokesman for the Springfield-Greene County Health Department, said it makes up 93% of the random sample of cases that the county is sending for analysis, up from 70% three weeks ago.