Delta Variant: Poised to be Totally Resistant to the Current COVID Vaccines

The Delta variant is the predominant strain causing COVID-19 throughout the world. It has shown resistance to the antibodies produced by the BNT162b2 Pfizer vaccine leading to breakthrough infections among the fully vaccinated. The mutations in the receptor-binding domain (RBD) allows the Delta variant to avoid the neutralizing antibodies. Recently, researchers from Osaka University investigated…