For respiratory droplets, SARS-CoV-2 antibodies from 3 of 10 naive hACE2 mice showed seropositivity 14 days after introduction into the same cage with 3 infected-hACE2 mice, separated by grids. concentrations. Graphic format of experimental design and sample collection. The changes in body weight in the 3 hACE2 mice intranasally inoculated Continue Reading