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Viruses naturally mutate and evolve over time, but the changes seen in the last two months have been more prominent than in the first months of the pandemic," Jones added. astm f2413 eh nbsp;Bernie Sanders becoming the chairman of the Senate Budget Committee now that Democrats control the chamber, saying on Sunday, "I’ve got a fight on my hands. astm f2413 eh nbsp;"That's what I want to talk about with these folks, about what we do from a legislative and substantive point of view to make the kind of inroads I think we can make. astm f2413 eh Rich, 47, a native of Texas, also pointed out the perceived irony that while the president’s account was suspended, that of Iran’s Ayatollah Khamenei was still on Twitter. astm f2413 eh