🌍 WHY 💉 XBB.1.5 🇺🇸 Why the new COVID variant XBB.1.5 is taking over the U.S. so quickly: "XBB is a different ballgame," Dr. Rajendram Rajnarayanan .... With a recombinant, you get mutations that makes it more evasive. And as we expected, [XBB.1.5] changed one small mutation, a V changed to a P at the 486 position. And that's it." (@RajlabN, NYITCOM) 11jan2023) https://salon.com/2023/01/04/why-the-new-variant-xbb15-is-taking-over-the-us-so-quickly/ 🚩4jan2023 #covid19newvariants 🧬 #omicronvariant 🌊 #covid19virustransmission 🔥 #XBB_1_5 #public single-use