If you aren't vaccinated and haven't had COVID, you will get the Delta variant.
https://www.nytimes.com/2021/07/30/health/covid-cdc-delta-masks.html
https://www.usatoday.com/story/news/health/2021/07/29/covid-delta-variant-cdc-warning-mask-wearing-guidance/5424849001/
https://www.nytimes.com/2021/07/30/health/covid-cdc-delta-masks.html
https://www.usatoday.com/story/news/health/2021/07/29/covid-delta-variant-cdc-warning-mask-wearing-guidance/5424849001/