MicrobiologybioRxiv
Enhanced fitness of SARS-CoV-2 variant of concern B.1.1.7, but not B.1.351, in animal models
L. Ulrich, N. J. Halwe, A. Taddeo…·C. Benarafa
The paper compares the fitness of SARS-CoV-2 variants B.1.1.7 and B.1.351 in animal models, finding B.1.1.7 has a fitness advantage in ferrets and mice but not in hamsters.