Pfizer (NYSE:PFE) and BioNTech (Nasdaq:BNTX) have announced that their omicron BA.4/BA.5-adapted bivalent booster fared well against novel omicron variants in neutralizing antibody detection tests. The company published the results from the bivalent booster tests against the BA.4.6, BA.2.75.2, BQ.1.1 and XBB.1 subvariants on the preprint server BioRxiv. One month after administering a fourth vaccine dose, the…