UK designates Omicron sub-lineage a variant under investigation
Initial findings indicate that the sub-variant may be more resistant to immunity.
This undated transmission electron microscope image shows SARS-CoV-2, also known as novel coronavirus, the virus that causes COVID-19, isolated from a patient in the U.S. Virus particles are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus parti(photo credit: NIAID-RML/FILE PHOTO/HANDOUT VIA REUTERS)Updated: 
