Sumary of Delta Variant Among the Most Infectious Viruses, CDC says There were 46,318 cases of COVID-19 reported Wednesday, with a 7-day average of 37,700 cases per day — up 53% from the previous week:
- July 22, 2021 — CDC Director Rochelle Walensky, MD, called the COVID-19 Delta variant “one of the most infectious respiratory viruses we know of” and reported more cases and hospitalizations.
- ” Walensky said there were 46,318 cases of COVID-19 reported Wednesday, with a 7-day average of 37,700 cases per day — up 53% from the previous week.
- Meanwhile, there are now 162 million Americans who are fully vaccinated against COVID-19. Areas with low vaccination coverage continue to have the highest case numbers, she reported, with unvaccinated people accounting for 97% of hospitalizations and deaths.
- The four states with highest case rates — Arkansas, Florida, Louisiana, and Nevada — had a higher rate of new vaccinations, compared to national average over the past week, White House COVID-19 Response Coordinator Jeff Zients said.