USA: 20% vaccine breakthrough in Snohomish County, Washington State
“In May 2021, fewer than 5% of cases were among vaccinated individuals. And, in July, now that the Delta’s strain is the overwhelmingly dominant, virus in the community, now 20% of cases in July were among vaccinated people,” said Dr. Chris Spitters, director of the Snohomish County Health District.
Delta vaccine breakthrough cases in Washington State quadruple in two weeks
** This post was originally published on August 25, 2021 **