A recent study suggests that a vaccine could fend off respiratory viruses, bacterial infections and even allergens—all in one shot. Hear how on “Babbage” https://www.economist.com/podcasts/2026/04/01/a-vaccine-for-everything?taid=69d0e5d776384e00010ac723&utm_campaign=trueanthem&utm_medium=social&utm_source=voante