New Covid variant spreads from Canada to US, Europe & Asia: What we know about PJ.2.1

In 2026, the emergence of the PJ.2.1 Covid-19 variant has sparked concern as it rapidly spreads across various nations. Laboratory analyses reveal its enhanced ability to penetrate human cells compared to earlier strains. While it showcases limited evasion of antibodies, its increased affinity for the ACE2 receptor raises alarms over transmissibility. Ongoing surveillance and further studies are crucial to grasp its impact on disease severity and overall public health.