BY CLAUDIA LOPEZ LLOREDA Mouse neurons (in magenta) fuse (yellow) when they express the SARS-CoV-2 protein and its receptor.RAMON MARTINEZ-MARMOL Of all of COVID-19’s symptoms, one of the most troubling is “brain fog.” Victims report headaches, trouble concentrating, and forgetfulness. Now, researchers have shown that SARS-CoV-2 can cause brain cells to fuse together, disrupting their communication....
