SLC26A5 and allergic disease: BM32 has been safely used for the treatment of grass pollen induced allergy in several clinical studies41, 42 (ClinicalTrials.gov Identifier: NCT02643641) and it has been shown that BM32‐induced PreS‐specific antibodies protect against HBV infections in vitro because they are directed against the N‐terminal part of PreS containing the binding site of HBV for the NTCP receptor on human hepatocytes.29, 30