| Source | Fox Chicago |
|---|---|
| Original Load Date | July 28, 2021, 11:01 a.m. |
| Last Updated | July 28, 2021, 11:01 a.m. |
| Original URL | http://www.fox32chicago.com/news/pfizer-data-suggests-3rd-dose-of-vaccine-strongly-boosts-protection-against-delta-variant |
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#### CDC issues new mask guidelines for vaccinated people | LiveNOW From FOX
The US Centers for Disease Control and Prevention updated its mask guidance on
Tuesday to recommend that people who are fully vaccinated against COVID-19
resume wearing masks indoors in parts of the country with high leve...