Current SARS-CoV-2 vaccines require several injections for optimal immune protection. Here, the authors report an intranasal live-attenuated vaccine that induces long-term immunity following a single dose and protects from SARS-CoV-2 wildtype and variants in non-human primate and small animal models.
- Xiang Liu
- Wern Hann Ng
- Suresh Mahalingam
