> We have eradicated so many diseases with vaccination. I know that we eradicated smallpox, but only because there are no animal hosts. Covid has many animal

> We have eradicated so many diseases with vaccination. I know that we eradicated smallpox, but only because there are no animal hosts. Covid has many animal hosts [0]. You'd have to vaccinate them all to eliminate covid, that includes bats, cats, dogs, primates, deer, etc. Otherwise covid will keep evolving in animals, and jumping back into the human population, as it appears happened with omicron over the course of about a year in mice [1]. I believe that the parent you replied to is correct, we will not eradicate covid with vaccines. [0] https://www.cdc.gov/coronavirus/2019-ncov/daily-life-coping/animals.html https://www.cdc.gov/coronavirus/2019-ncov/daily-life-coping/... [1] https://www.medicalnewstoday.com/articles/covid-19-did-omicron-evolve-in-mice https://www.medicalnewstoday.com/articles/covid-19-did-omicr...