- Breakthrough case: Orlando mom says she got COVID-19 after Johnson & Johnson vaccineWESH 2 Orlando
- Johnson & Johnson vaccine less effective against Delta variant: studyFox News
- States move to ban mask mandates in schools as children get ready to go back to classABC News
- COVID-19 Statistics | July 20, 2021Lost Coast Outpost
- How effective are COVID-19 vaccines against variants?Good Morning America
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