Genetic variability in the human immune system may affect susceptibility to and severity of infection by SARS-CoV-2, a novel coronavirus which causes the COVID-19 disease, according to new research. Colorized scanning electron micrograph of an apoptotic cell (green) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Image credit: NIAID. Individual genetic variation may explain differences in the strength of...
