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nbsp;UK LAUNCHES MASS CORONAVIRUS TESTING IN EFFORT TO CONTAIN SOUTH AFRICAN VARIANT CASESEarly data suggests vaccines will remain effective against variants, though one strain, in particular, first detected in South Africa, has diminished vaccines’ efficacy. switch fit adventure BRENDAN SMIALOWSKI/AFP via Getty Images)LIVE UPDATES: CONGRESS GEARS UP AS HEARINGS FOR BIDEN'S CABINET NOMINATIONS SET TO BEGIN TODAYMayorkas' hearing, with controversy on border security and the siege of the Capitol swirling, is expected to be testy at times. switch fit adventure nbsp;In the findings posted Tuesday, a team including scientists from Rockefeller University took blood samples from 20 volunteers who received the vaccines developed by Pfizer and Moderna, and tested their antibodies against various virus mutations in the lab. switch fit adventure COM"To watch those two guys leave our team and bring everything they've learned to Tampa, a team that didn't make the playoffs last year and now is having an opportunity to win a world championship, it's been awesome to watch," McCourty said on ESPN’s "Get Up. switch fit adventure