Neutralising antibody levels are an important correlate of protection for pre-exposure prophylaxis against COVID-19, but it can be difficult to account for immune evasion of emerging virus variants. Here the authors present a variant-adjusted threshold of protection model, developed and validated with data from two clinical trials, which can be used to infer efficacy against any SARS-CoV-2 variant.
- Rhiannon Edge
- Sam Matthews
- Seth Seegobin