Coronavirus: New 'Lambda' variant causes concern for WHO
The Lambda Coronavirus variant is circulating in South America at high rates, and one study showed some vaccines to be less effective against it.
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)BySHIRA SILKOFF