Inactivated polio vaccine induces antibodies that block SARS-CoV-2 RNA synthesis

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused the current coronavirus disease 2019 (COVID-19). This modern plague shut down travel, business, education, and leisure activity for months as SARS-CoV-2 quickly spread to infect hundreds of millions around the world.        Achieving herd immunity has become a top priority and one which seemed to be within sight once the first vaccines were developed and found to be safe and highly effective.

However, the cost of vaccination, logistical problems, and the emergence of antibody-resistant variants of SARS-CoV-2 pose formidable challenges to this goal.
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