The Omicron variant of coronavirus compromises the effects of two-dose mRNA vaccine-induced antibodies and reduces the overall protection, according to Chief Medical Advisor to the President Dr. Anthony Fauci.
However, clinical studies indicate that booster doses reconstitute the antibody titers and enhance the vaccine protection against Omicron, he said at a press briefing by White House COVID-?19 Response Team Wednesday.
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May 01, 2026 15:54 ET Central banks dominated the economics news flow this week with almost all major ones announcing their latest policy decisions and many boosted expectations for a rate hike in June. In other news, several countries released the preliminary data for first quarter economic growth. In the U.S., comments by Fed Chair Jerome Powell were also in focus as his term ends this month.