Babies with older siblings have a higher infection risk, but are less protected through vaccination

Schober, Thomas2026-06-082026-06-082026-06-03The Conversation, June 3, 2026. Retrieved from https://theconversation.com/nzhttp://hdl.handle.net/10292/21346We believe in the free flow of information. Republish our articles for free, online or in print, under Creative Commons licence.https://creativecommons.org/licenses/by/4.0/New ZealandInfectious diseasesPregnancyBirth orderBabies with older siblings have a higher infection risk, but are less protected through vaccinationOther Form of Assessable OutputOpenAccess10.64628/AA.x4swhs7tu