New York – Omicron sub-variants evades antibody responses from Covid vaccines but a new lab study suggests that the current booster doses can be effective. University of Washington researchers saw the functional impact of mutations in  Omicron sub-variants. They used Moderna, Pfizer, Novavax, Janssen, AstraZeneca, Sinopharm, and Sputnik V vaccines. All two-dose vaccines, except for Janssen’s single dose vaccine were …