For things defined by exponential growth like viruses, you don't have to stop them 100%.
All you have to do is get the growth factor below 1.0 and the virus will die out as it can't infect enough people to stay alive.
All you have to do is get the growth factor below 1.0 and the virus will die out as it can't infect enough people to stay alive.
https://www.businessinsider.com/delta-variant-made-herd-immu...
> Israel was the first country on Earth to fully vaccinate a majority of its citizens against COVID-19. Now it has one of the world's highest daily infection rates — an average of nearly 7,500 confirmed cases a day, double what it was two weeks ago. Nearly one in every 150 people in Israel today has the virus.
Not a great advertisement for non-sterilizing vaccines.
tbh the concept of herd immunity doesn't care about who the law says can get vaccinated
> Evidence from studies primarily done before vaccine approval for those 12 years of age and older suggests that staff-to-staff transmission is more common than transmission from students to staff, staff to student, or student to student.
https://www.cdc.gov/coronavirus/2019-ncov/science/science-br...
if they're vaccinated, they count towards the numerator
if they are a person, and thus have a nonzero chance of getting infected, and a nonzero chance of infecting others if infected, they count towards the denominator
that's how you determine vaccination rate