How much more transmissible can it get?
RT @EricTopol: BA.2.12.1 differs significantly from BA.2 by sequence and has ~20-30% transmission advantage, as does BA.4 and BA.5 which are associated with a new wave of cases in South Africa

🐦🔗: https://nitter.eu/NChildersMEP/status/1518967174307753987