new study says approximately 42% against Delta. This is the only one approved for 12 year olds and up, so more ammunition for those not wanting to vaccinate their kids.
https://www.axios.com/coronavirus-vaccines-pfizer-moderna-delta-biden-e9be4bb0-3d10-4f56-8054-5410be357070.html
https://www.axios.com/coronavirus-vaccines-pfizer-moderna-delta-biden-e9be4bb0-3d10-4f56-8054-5410be357070.html