Recent Examples on the WebThe same can be said for feline enteric coronavirus, which when passaged multiple times, results in furin cleavage mutations that correlate with transformation to a more pathogenic biotype. William A. Haseltine, Forbes, 28 Sep. 2021 Others may have a biotype of negative bias, which is a tendency to look at the future in dark terms, as though everything is going to go wrong. Marianne Schnall, Forbes, 26 May 2021