likely to have a breakthrough, and when they do, they are much milder. but less than half the population eligible for a booster shot has received one. still, cdc director rochelle walensky said yesterday, the cdc didn t plan to change the definition of what it means to be fully vaccinated. also this week, another cdc study was published regarding the delta variant showing that a prior case of covid-19 protected people from infection better than vaccinations did during the delta wave last summer and fall. that s delta. that s not omicron. but it s a reminder that other countries treat prior infection differently than the united states. as i ve discussed here before, in many other countries people who have had covid within the past six months have the same status as those vaccinated. among them, austria, belgium, france, germany, greece, israel, turkey, united kingdom and the vatican. starting monday, france is implementing a vaccine
behind us yet. children under 5 still are not eligible for vaccines and covid cases among children are hitting new highs. the rate of infection nearly five times higher than at the peak of the surge last winter. but in another sign of hope, two new israeli studies show children living in vaccinated households have significantly higher protection. even so, more than 2 million children have been infected with covid just this month, according to the american academy of pediatrics which is saying schools should stay open for in-person learning but they are saying students and staff should continue to wear masks. thanks so much. let s bring in the chief correspondent, sanjay gupta. if we look at the delta wave last summer and early fall, cases started coming down in september with a downward trend in deaths in late semi. now that cases are plummeting, does that mean we should expect