The World Health Organization has recommended that the current Covid-19 vaccine antigen composition, specifically the monovalent XBB.1.5 vaccines, may be continued across different platforms against currently circulating SARS-CoV-2 variants.
WHO's Technical Advisory Group on COVID-19 Vaccine Composition, or TAG-CO-VAC, issued the recommendation after making a thorough evaluation of the current virus evolution and the demonstrated immune responses by the vaccines against circulating variants.
For comments and feedback contact: editorial@rttnews.com
Business News
May 22, 2026 14:46 ET Minutes of the latest Fed policy session was the highlight of the week along with survey data on the U.S. housing market. In Europe, survey data signaled the trends in the euro area private sector. Further, consumer price inflation data from the U.K. was in focus. In Asia, various economic indicators from China drew attention to the health of the economy.