Here the authors use three different mouse models to show that prior infection or mRNA vaccination can protect against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) independently of antibodies, highlighting the importance of T cell-derived interferon-γ (IFN-γ) in host defense and the need to consider this measure of protection in vaccination.
- Valeria Fumagalli
- Micol Ravà
- Matteo Iannacone
