Vaccine-induced antibodies may be less effective against several new SARS-CoV-2 variants
Key Takeaways Neutralizing antibodies induced by the Pfizer and Moderna COVID-19 vaccines were significantly less effective against the variants first described in Brazil/Japan and South Africa. While the ability of these variants to resist neutralizing antibodies is concerning, it doesn’t mean the vaccines won’t be effective. Understanding which mutations are most likely to allow the