XBB.1.5 the most transmissible SARS-CoV-2 variant so far

America, Asia, China, Coronavirus, Deaths, Europe, Genome, Hospitalization, Infection, Recombination, Research, Testing, Transmission, USA, XBB.1.5

Full video of the comments concerning XBB.1.5 at a World Health Organization briefing today.

Key points:

  • XBB.1.5 is the most transmissible subvariant detected so far
  • XBB.1.5 already detected in 29 countries
  • Mutations in XBB.1.5 allow the virus to replicate easily
  • XBB.1.5 is rapidly replacing other subvariants in some countries
  • WHO are concerned about its growth advantage
  • WHO is creating a risk-assessment on XBB.1.5, should be published with a couple of days
  • No data on severity or clinical picture for XBB.1.5 variant yet
  • Surveillance of SARS-CoV-2 important to detect and track new variants
  • 15% increase in Covid deaths in last month
  • More sequences needed from China and other countries to track the pandemic





The stunning global growth of XBB.1.5

** This post was originally published on January 4, 2023 **