BREAKING—A new #SARSCoV2 variant (aka B.1.1.248) identified by Japan 🇯🇵 in ✈️pax from Brazil 🇧🇷. This new one has both the more infectious N501Y mutation (not affect vaccine), as well as the disruptive E484K mutation that escapes neutralizing antibodies.🧵https://t.co/lNitm1HNli pic.twitter.com/YUz2RjqrXK

— Eric Feigl-Ding (@DrEricDing) January 11, 2021