> boosted with the BA4/5 booster
If you don't mind me asking: in Switzerland? I might be totally confused, but I thought that the bivalent boosters here are bivalent with BA.1 (based on e.g. https://www.bag.admin.ch/dam/bag/de/dokumente/mt/k-und-i/aktuelle-ausbrueche-pandemien/2019-nCoV/steckbrief-impfstoffe-herbst-winter-2022.pdf.download.pdf/Steckbrief_Covid19Impfstoffe_DE.pdf)