Researchers have identified an antibody, SC27, that can counter all known variants of the coronavirus causing COVID-19 and related viruses in animals. Isolated from plasma of patients with breakthrough infections, this discovery offers hope for broader protection against evolving virus strains. Researchers have identified an antibody, SC27, that can counter all known variants of the coronavirus causing COVID-19 and related viruses in animals. Isolated from plasma of patients with breakthrough infections, this discovery offers hope for broader protection against evolving virus strains. Economic Times