Like the Roadrunner outwitting Wile E. Coyote, SARS-CoV-2 (the infectious virus responsible for COVID-19) keeps mutating, generating new variants that can slip from the grip of a well-trained immune system or a well-aimed drug or vaccine.
Click here for original story, Molecular makeover makes wimpy antibody a SARS-CoV-2 tackler
Source: Phys.org