


Cases could climb to 100,000 or 200,000 a dayĪ key indicator that Covid will continue to worsen, according to Fauci: The nation's seven-day average for new daily cases is currently rising. "Unfortunately, if you're missing breakthrough infections, you may be missing some evolution here, that would be very important for us to follow," Emanuel said. Emanuel, vice provost for global initiatives and co-director of the Health Transformation Institute at the University of Pennsylvania, said in a briefing with the Infectious Diseases Society of America on Tuesday. "The worry has to be that something new is going to evolve, call it epsilon or some other variant, and we need to be monitoring very carefully for that," Dr. The CDC only tracks breakthrough cases that lead to severe hospitalizations and death, but most breakthrough cases tend to be mild or asymptomatic - leading some experts to say the agency could be missing crucial real-time data on their prevalence and ability to foster new variants. New data from the CDC has also raised concerns about breakthrough cases, where vaccinated people can occasionally transmit the delta variant to other people. has not received at least one dose, and roughly 33% of eligible children ages 12 -17 have yet to receive a shot. About 30% of the adult population in the U.S. which has plentiful vaccine supply - is due to America's large population of unvaccinated people. Most of the virus's current ability to spread across the U.S.

"Whereas we still have people all over the world who don't have any access, at this point, to even the first dose." "We're talking about boosters in countries that have access to vaccine," Keri Althoff, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health, told CNBC Make It.
