A nucleocapsid is a viral structure unit composed of nucleic acids and attached proteins.
Detailed description
The capsid is a structural unit of viruses made up of proteins. The protein envelope contains the genome, RNA or DNA. Some viruses have an additional membrane surrounding the nucleocapsid.
Infection with SARS-CoV-2 leaves some people almost unaffected, while others develop life-threatening COVID-19 symptoms. So far, we do not understand exactly why symptoms and disease severity
