Do We Need A New Covid Vaccine Because Of The Rapid Growth Of The Delta Species?

Do We Need A New Covid Vaccine Because Of The Rapid Growth Of The Delta Species?

Delta Species Has Reduced The Efficacy Of Covid 19 Vaccines Against Symptomatic And Transmissible Disease; But Should A New Vaccine Be Developed For Covid? The Rapid Spread Of The SARS-Cov-2 Delta Species Has Put More Patients…