5 key COVID-19 questions answered Associated Press Jul 21, 2021 Jul 21, 2021 Updated Aug 30, 2021 What is a COVID-19 vaccine 'breakthrough' case? What should you know about the delta variant? Get answers to questions here. Tags Dcc Wire Coronavirus Resources-top Related to this collection National US vaccinations rising again as official declares: 'The fourth surge is real.' Updated Aug 29, 2021 Vaccination rates are rising in some states where new COVID-19 cases are soaring. Get the latest on the delta variant, rare "breakthrough" cases, and find answers to 5 key questions about the persisting pandemic. Music Reba McEntire warns fans after she, boyfriend got breakthrough COVID-19 Updated Aug 9, 2021 Country star Reba McEntire is telling people to continue to mask up and quarantine, saying she and her boyfriend contracted COVID-19 despite being vaccinated.