Natural Immunity Protects Against Omicron Variant: Study

The shielding a person enjoys after recovering from COVID-19 protected people against infection after the Omicron virus variant became dominant in the United States, according to a new study. The protection, known as natural immunity, was similar to the protection seen among the naturally immune who got at least one dose of a COVID-19 vaccine and people who got three doses of a COVID-19 vaccine and did not have natural immunity, researchers with the Cleveland Clinic found. Further, those who had...