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Scientists may be able to predict some very obvious mutations that can pop up, such as certain amino acid changes on the spike protein that impact antibody binding or alterations in the spike's RBD  which would impact the virus's ability to stick to and enter human cells, Racaniello said. argon 18 nitrogen frameset The Fairfax County BOS and School Board follow a November 2017 policy called One Fairfax that "defines expectations for consideration of racial and social equity, and in particular, meaningful community involvement when planning, developing and implementing policies, practices, and initiatives. argon 18 nitrogen frameset Scott said that working together, he and the president could "seize this opportunity to show that America is the world’s greatest supporter of freedom, democracy and human rights for all, while preserving the marvel that is and must always be so perfectly captured by the unity created by the Olympic Games. argon 18 nitrogen frameset CLICK HERE TO GET THE FOX NEWS APP"The only briefings that we’ve had is through the media, really, that the troops may be staying there through the fall, which is extremely concerning because myself and several of my colleagues have asked Nancy Pelosi for a briefing as to why do we need these troops here. argon 18 nitrogen frameset